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TP-Link USB Bluetooth Adapter for PC, Bluetooth 4.0 Dongle Receiver, Plug & Play, Nano Size, EDR & A2DP Technology, Supports Windows 11/10/8.1/8/7/XP for Desktop, Laptop, PS4/ Xbox Controllers (UB400)

4.4 out of 5 stars 58,310 ratings
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Purchase options and add-ons

Brand TP-Link
Hardware Interface Bluetooth
Color Black
Compatible Devices Desktop
Product Dimensions 0.74"L x 0.58"W x 0.27"H
Data Link Protocol USB
Data Transfer Rate 480 Megabits Per Second
Item Weight 10 Grams
UPC 845973099664
Global Trade Identification Number 00845973099664

About this item

  • 【Bluetooth 4. 0】 - Applies the latest Bluetooth 4. 0 and it is backward compatible with Bluetooth V3. 0/2. 1/2. 0/1. 1. UB400 turns Non-Bluetooth PC or laptop into Bluetooth-capable
  • 【Plug & Play or Free Driver】 - Plug and Play for Win 8, Win 8. 1, and Win 10. Supports Win7/XP (Driver required for Win7/XP and could be downloaded from website free of charge). It is NOT compatible with Mac, Linux, TV
  • 【Nano-Sized】 - A sleek, ultra-small design means you can insert the nano adapter into any USB port and simply keep it there, no matter when you are traveling or at home
  • 【Reliability】 - Enable wireless communication with Bluetooth-enabled computers, printers, phones and headsets. Utilize Bluetooth Low Energy(BLE) technology for energy-saving wireless connectivity
  • 【Broad Operation Range】 - With a transmission distance of up to 65 ft, you can enjoy lossless music via your Bluetooth headset without hovering around your computer
  • 【Worry-Free Customer Support & 】 - Industry leading 24-month and free lifetime 24/7 technical support
› See more product details

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4.5 out of 5 stars (20608)
$9.99

Frequently bought together

TP-Link USB Bluetooth Adapter for PC, Bluetooth 4.0 Dongle Receiver, Plug & Play, Nano Size, EDR & A2DP Technology, Supports
This item: TP-Link USB Bluetooth Adapter for PC, Bluetooth 4.0 Dongle Receiver, Plug & Play, Nano Size, EDR & A2DP Technology, Supports Windows 11/10/8.1/8/7/XP for Desktop, Laptop, PS4/ Xbox Controllers (UB400)
$9.80
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Important information

Legal Disclaimer

*Maximum wireless Bluetooth transmission rates are based upon test results under normal usage conditions. Actual wireless transmission rate and wireless coverage are not guaranteed, and will vary as a result of environmental factors, including building materials, physical objects and obstacles. Claimed coverage is based on theoretical testing scenario in an open air environment. **To ensure compatibility, you may need to update the adapter’s drivers after an OS update. You can find our latest drivers in the download center at tp-link.com/en/download-center.

Top Brand: TP-Link

Highly Rated
100K+ customers rate items from this brand highly
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100K+ orders for this brand in past 3 months
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From the brand

From the manufacturer

USB Bluetooth Adapter Dongle for PC
Long Distance Range USB Dongle

Long Distance Operating Range

With a transmission distance of up to 65 ft, you can enjoy music, print documents, and so much more from your Bluetooth-enabled devices without hovering around your computer.*

Connect Bluetooth-Enabled Devices to Your Computer

Connect Bluetooth-Enabled Devices to Your Computer

UB400 makes Non-Bluetooth PCs and Laptops Bluetooth-capable. Simply plug in the UB400 to wirelessly connect Bluetooth-enabled headsets, game controllers, keyboards, and more.

EDR and A2DP Technology

EDR and A2DP Technology

Featuring EDR and A2DP technology, UB400 enhances your wireless experience by giving you faster speeds up to 3 Mbps for data transfer and better sounds to ensure high-quality audio when streaming your favorite music via a Bluetooth device.

Plug & Play For Windows 11 10 8.1 8

Plug N' Play for Windows 11, 10, 8.1, and 8

For Windows 11,10, 8.1, and 8, just plug UB400 into your computer to enjoy a fast, convenient Bluetooth connection.

Windows XP and 7 are also supported by installing the driver from TP-Link's website*

Miniature Design Bluetooth Card for PC PS4 Xbox

Plug it in and Forget about it

A sleek, ultra-small design means you can insert the nano adapter into any USB port and simply keep it there, no matter where you go.

  • Yes, the Bluetooth adapter can support up to 7 devices at a time.

  • a. Current supported operating systems include Windows 11/10/8.1/8/7/XP, driver needed for WIndows 7/XP.

    b. Does not support Mac OS and Linux.

  • a. To install the driver, visit the TP-Link website, search “UB400” and download the driver in the "Support" section

    d. Open file "UB400_Driver.zip", click through the following “Windows” file and click on “setup.exe” and finish the installation

  • Try 2 things,

    1. Unpair the controller from your playstation

    2. Hook the controller to your computer via the USB cable and then hit the PS Button. Once the controller is detected you can disconnect the usb charging cable.

  • A2DP, a Bluetooth standard that allows for high-quality audio streaming when using Bluetooth enabled devices.

    EDR, Enhanced Data Rate, is a Bluetooth specification that provides faster data rates.

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TP-Link USB Bluetooth Adapter for PC, Bluetooth 4.0 Dongle Receiver, Plug & Play, Nano Size, EDR & A2DP Technology, Supports Windows 11/10/8.1/8/7/XP for Desktop, Laptop, PS4/ Xbox Controllers (UB400)
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Price-18% $9.80
List: $11.99		-37% $9.49
List: $14.99		$5.99$24.99-41% $5.94
Typical: $9.99		-30% $6.99
List: $9.99
Delivery
Get it as soon as Saturday, May 3
Get it as soon as Saturday, May 3
Get it as soon as Saturday, May 3
Get it as soon as Saturday, May 3
Get it as soon as Saturday, May 3
Get it as soon as Saturday, May 3
Customer Ratings
4.44.4 out of 5 stars58,310
4.54.5 out of 5 stars17,495
4.34.3 out of 5 stars1,714
4.44.4 out of 5 stars232
4.44.4 out of 5 stars1,647
4.64.6 out of 5 stars474
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data transfer rate
data link protocol
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Product information

Technical Details

Collapse all
Summary
Number of USB 2.0 Ports ‎1
Other Technical Details
Brand ‎TP-Link
Series ‎bluetooth adapter
Item model number ‎UB400
Operating System ‎windows
Item Weight ‎0.353 ounces
Product Dimensions ‎0.74 x 0.58 x 0.27 inches
Item Dimensions LxWxH ‎0.74 x 0.58 x 0.27 inches
Color ‎Black
Manufacturer ‎TP-Link
ASIN ‎B07V1SZCY6
Country of Origin ‎Vietnam
Is Discontinued By Manufacturer ‎No
Date First Available ‎July 18, 2019

Additional Information

Customer Reviews
4.4 out of 5 stars 58,310 ratings

4.4 out of 5 stars
Best Sellers Rank #1,418 in Electronics (See Top 100 in Electronics)
#9 in Wireless Audio Receivers & Adapters

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.

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TP-Link USB Bluetooth Adapter for PC, Bluetooth 4.0 Dongle Receiver, Plug & Play, Nano Size, EDR & A2DP Technology, Supports Windows 11/10/8.1/8/7/XP for Desktop, Laptop, PS4/ Xbox Controllers (UB400)

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What's in the box

  • Bluetooth 4.0 Nano USB Adapter UB400
  • Quick Installation Guide

    • Product Description

    UB400 is highly portable and much smaller than a flash drive. Plug and play in
    win8/8.1/10 systems to enjoy a wireless communication with Bluetooth-enabled
    devices. Ub400 supports advanced Bluetooth 4.0 and enables wireless connectivity a wide range of devices such as computers, printers, phones, headsets,
    speakers, keyboards, controllers, etc.Mounting Hardware :Bluetooth 4.0 Nano USB Adapter UB400 , Quick Installation Guide.

    Product guides and documents

    User Guide (PDF)
    Installation Manual (PDF)
    User Manual (PDF)

    Customer reviews

    4.4 out of 5 stars
    58,310 global ratings

    Review this product

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    Write a customer review

    Customers say

    Customers find the Bluetooth adapter easy to install with clear instructions and appreciate its value as a way to upgrade older computers. The functionality receives positive feedback, with one customer noting it works across a two-story home, and customers report no noticeable lag. However, connectivity experiences are mixed, with some devices connecting well while others have connection issues. Sound quality and compatibility also receive mixed reviews, with some customers reporting perfect sound while others experience stuttering, and while it works well with Xbox Series S/X controllers, some customers report Windows 10 system recognition issues.

    AI-generated from the text of customer reviews

    Select to learn more

    2,535 customers mention "Functionality"1,844 positive691 negative

    Customers find that the Bluetooth adapter works very well, with one customer noting it functions across a two-story home.

    "...The connection is stable, and the range is impressive. It works from across the room without any drop in quality...." Read more

    "...TP-Link USB Bluetooth Adapter (UB400) and we are really impressed with its performance! Here are the highlights:..." Read more

    "...wrote this review (and it's update) I have found this adapter can work quite well and some of my early experiences with it were probably due to the..." Read more

    "...as you install the correct driver from the website site it will not work in Win 7 otherwise...." Read more

    1,168 customers mention "Ease of installation"967 positive201 negative

    Customers find the Bluetooth adapter easy to install, describing it as plug-and-play with super fast setup and minimal effort required.

    "...It’s so easy to use—just plug it in and you're good to go. No complicated installation, it literally works right out of the box...." Read more

    "...Easy Setup: The plug-and-play feature made installation a breeze. We simply plugged it into my USB port, and it was ready to go in seconds...." Read more

    "...This little USB gadget fixed my problem for $10. Install was quick, easy, and done in about 5 minutes...." Read more

    "Plugged it in and is most definitely plug and play with windows. Added my headphones and no problems at all. Connectivity is steady and sounds great." Read more

    415 customers mention "Value for money"327 positive88 negative

    Customers find the Bluetooth adapter offers good value for money, describing it as a cost-effective way to upgrade older computers.

    "...If you’re looking for an affordable, reliable Bluetooth adapter for your PC, this is it...." Read more

    "...It's not Bluetooth 5.0 but it's not bad for the price...." Read more

    "...This little USB gadget fixed my problem for $10. Install was quick, easy, and done in about 5 minutes...." Read more

    "...Still, can't complain since this is a cheap USB dongle at the end of the day - Does the job, and does it well for the price!" Read more

    969 customers mention "Connectivity"509 positive460 negative

    Customers have mixed experiences with the Bluetooth adapter's connectivity, with some reporting it connects well and easily, while others mention frequent connection issues and problems with Bluetooth devices.

    "...The connection is stable, and the range is impressive. It works from across the room without any drop in quality...." Read more

    "...The only small snag I had was that my Bluetooth devices wouldn’t connect until I removed and re-paired them in the settings menu, but they..." Read more

    "...Strong Connectivity: The Bluetooth 4.0 technology provides a stable connection for all of our devices...." Read more

    "...both my gamepads (DualSense and 8BitDo Lite), it refused to pair with both of them. So docking 1-star for V1.6 lack of Windows support...." Read more

    810 customers mention "Bluetooth connectivity"496 positive314 negative

    Customers have mixed experiences with the Bluetooth connectivity of this adapter, with some finding it awesome and works well, while others report issues with Bluetooth failure.

    "...connected my Bluetooth headphones, keyboard, and even a Bluetooth speaker with zero issues. The connection is stable, and the range is impressive...." Read more

    "...It's not Bluetooth 5.0 but it's not bad for the price...." Read more

    "...Fantastic for headphones however it doesn’t see my BT speaker..." Read more

    "Extremely easy to use. just plug it in and get a good bluetooth signal. have had minor issues with connection range" Read more

    533 customers mention "Sound quality"217 positive316 negative

    Customers have mixed experiences with the Bluetooth adapter's sound quality, with some reporting perfect sound while others experience poor audio and stuttering.

    "...I have also had an issue with low volume on Bluetooth devices I'm sending audio to with this adapter but I'm not sure I can blame it entirely on..." Read more

    "...Quality Audio: The EDR and A2DP technology ensures that the audio quality is clear and lag-free, making it perfect for in a large conference..." Read more

    "...that resulted in was the sound quality diminishing and the sound remaining out of sync. Even trying it with the port that worked earlier did nothing...." Read more

    "...Connectivity is steady and sounds great." Read more

    405 customers mention "Compatibility"207 positive198 negative

    Customers have mixed experiences with the Bluetooth adapter's compatibility: while it works well with Xbox Series S/X controllers, some report that Windows 10 systems fail to recognize the device.

    "...Versatile Compatibility: It supports a wide range of devices, including Windows 11, which is great for future-proofing...." Read more

    "...the problem with Blu-Dento support and it seems its just not compatible with that unit...." Read more

    "Didn't work for pairing headphones to PS4, but did work for headphones for a PC. Easy , just plug and play...." Read more

    "...So docking 1-star for V1.6 lack of Windows support. I can't speak to OS compatibility of V2.6 of the product (yet)...." Read more

    325 customers mention "Lag"151 positive174 negative

    Customers have mixed experiences with the Bluetooth adapter's performance, with some reporting no noticeable lag and fast connections, while others experience significant delays of 1-2 seconds and stuttering issues.

    "...There is a very slight delay as with many BT devices but with music you really will not notice...." Read more

    "...EDR and A2DP technology ensures that the audio quality is clear and lag-free, making it perfect for in a large conference room...." Read more

    "...paired, and even then, the connection was shoddy and motion was iffy at best...." Read more

    "...There’s no real latency, and the controller stays connected." Read more

    Hit ot Miss - The vendor doesn't know
    3 out of 5 stars
    Hit ot Miss - The vendor doesn't know
    EDIT: As noted below I bought a different brand adapter. It ALSO had a BSOD immediately in a different driver. I'll review that device as well, but the solution ended up being updating to Windows 11 :( I'm adding a star back to this product as my issue was likely something in Windows 10. Like others, I had high hopes for this because it is a TP-Link product and I knew if I had any issues I would get a timely response from their support. for the TL;DR version -Ssupport was very responsive but they didn't have a solution other than to exchange it for a different chipset adapter. Sadly, my PC bluescreened as soon as I plugged this in. To be safe I verified my BIOS was up to date, there were no other bluetooth devices detected or installed, and that my Windows 10 is up to date. I tried the CSR Harmony drivers from their site, which allowed it to work momentarily, but it was unstable and wouldn't see the bluetooth device I needed it to pair to. I went back through their support and they asked if it was detected in safe mode. Uninstalled the CSR drivers and sure enough, it doesn't bluescreen there, but I can't use the computer in safe mode. As soon as I reboot in safe mode I get the blue screen again. After less than a day of chatting with their support, they concurred that this was likely a chipset conflict and that I should return it and exchange for the UB500 model which uses a different chipset. After reading the reviews I decided to try a different brand completely since so many people are complaining about the UB500 being poorly made as well.
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    Top reviews from the United States

    • swag master gage
      5.0 out of 5 stars bad motherboard has no built in wifi
      Reviewed in the United States on December 11, 2024
      Verified Purchase
      I can't believe how something so small can make such a big difference! The TP-Link USB Bluetooth Adapter is a game-changer for my PC. I was tired of being tethered to my desk with wires and decided to give this little dongle a shot. It’s so easy to use—just plug it in and you're good to go. No complicated installation, it literally works right out of the box.

      The nano size is perfect because it doesn’t stick out of my computer like other bulky adapters. It’s barely noticeable, but it gets the job done flawlessly. I’ve connected my Bluetooth headphones, keyboard, and even a Bluetooth speaker with zero issues. The connection is stable, and the range is impressive. It works from across the room without any drop in quality.

      If you’re looking for an affordable, reliable Bluetooth adapter for your PC, this is it. It does exactly what it promises and doesn't take up much space at all. Highly recommend this to anyone who needs Bluetooth capability for their computer without the hassle!
      5 people found this helpful
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    • Speed Global Services
      5.0 out of 5 stars Perfect Bluetooth Solution For Our Conference Room Computers
      Reviewed in the United States on October 29, 2024
      Verified Purchase
      We purchased the TP-Link USB Bluetooth Adapter (UB400) and we are really impressed with its performance! Here are the highlights:

      Easy Setup: The plug-and-play feature made installation a breeze. We simply plugged it into my USB port, and it was ready to go in seconds. No complicated drivers or setups needed!

      Compact Design: The nano size is fantastic. It’s small enough that we can leave it plugged into the conference room computer without worrying about it getting bumped or damaged.

      Strong Connectivity: The Bluetooth 4.0 technology provides a stable connection for all of our devices. The range is good, allowing us to move around without losing connection.

      Versatile Compatibility: It supports a wide range of devices, including Windows 11, which is great for future-proofing.

      Quality Audio: The EDR and A2DP technology ensures that the audio quality is clear and lag-free, making it perfect for in a large conference room.

      Overall, the TP-Link USB Bluetooth Adapter is an excellent investment for anyone looking to add Bluetooth functionality to their PC. Highly recommended!
      2 people found this helpful
      Helpful
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    • Aking
      5.0 out of 5 stars Works Great!
      Reviewed in the United States on April 21, 2025
      Verified Purchase
      At my job my department moved to a new building and the new server doesn’t have Bluetooth built in so for the past week I’ve had to attend zoom meetings via my phone. Seen a YouTube video on this product and figured I’d give it a shot. The adapter arrived in 2 days and I installed this morning and my headset was connected al within 5 minutes! Fantastic for headphones however it doesn’t see my BT speaker (I don’t use it all that much but would have been nice to have that option. Anyway this is fantastic!
      Helpful
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    • Brian
      4.0 out of 5 stars A little disappointing
      Reviewed in the United States on January 21, 2020
      Verified Purchase
      UPDATE 2 - 7/8/21

      So in the time since I originally wrote this review (and it's update) I have found this adapter can work quite well and some of my early experiences with it were probably due to the limitations of Windows 7.

      One very key discovery I made is that if you just stick this into a USB port on the back of your PC, you will get OK reception if you're close but you'll get very spotty connections from any distance at all (and might even get dropouts from as close as across the room the PC is actually in).

      What I have done is used a USB extension cable and mounted it high on the wall (not the prettiest thing in the world but it works wonders for the range). Once that was done, I was definitely getting more range and a much more reliable connection throughout my apartment.

      It's not Bluetooth 5.0 but it's not bad for the price. I was looking to upgrade to Bluetooth 5.0 recently but most of the 5.0 dongles they have on here have mixed reviews so I ordered another one of these as a spare.

      END Update

      UPDATE - 7/13/2020

      So, I originally found the Windows 7 driver that I downloaded that is supposed to work with this adapter installs and appears to work on Windows 7 but I could not get it to work with anything I tried (This adapter is plug and play with Windows 8.1)

      Eventually, I uninstalled the driver, went into Device Manager and clicked for it to scan for hardware changes. So it found the adapter and (of course) displayed the error triangle that told me there was no installed driver for it and THEN it went online and found a driver for it and installed it and now it works with Windows 7 as it should. So if you have Windows 7, I recommend you try that BEFORE you bother with the driver they tell you to download for it. It's much simpler and it actually works with my system and doesn't require installing anything extra.

      END UPDATE
      --------
      Original Review

      I bought this for my Windows 7 PC on the promise of a driver download that would make it compatible. So I downloaded the driver and found it to be very confusing and barely functional

      So I tried it on a Windows 8.1 PC and it was plug and play (as it's supposed to be). I guess it's fine for Windows 8 and up. If you have Windows 7, expect to have to fight with it to make it work.

      I have also had an issue with low volume on Bluetooth devices I'm sending audio to with this adapter but I'm not sure I can blame it entirely on the adapter so I'll leave it at that. For example, I have a stereo that has built-in Bluetooth and I can barely hear some Youtube videos with full volume on my PC and the stereo. That stereo goes plenty loud if you're using the radio or the CD. Turned up all the way it should be louder and just isn't. Maybe it's something I'm doing wrong but if it is, it isn't obvious.
      17 people found this helpful
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    • Brittany
      5.0 out of 5 stars Easy install, much cheaper than Bluetooth hardware replacement
      Reviewed in the United States on September 11, 2024
      Verified Purchase
      I have a Lenovo Yoga laptop I bought in 2020 for college that has been nothing but a headache. Recently, the Bluetooth hardware completely failed and it would’ve required an extensive (and expensive) repair to get the hardware replaced. I use Bluetooth headphones to attend class lectures, and the laptop would’ve required another adapter to add an aux port to even try to use wired headphones.

      This little USB gadget fixed my problem for $10. Install was quick, easy, and done in about 5 minutes. I was concerned this would require some 3rd party Bluetooth menu to connect, but my laptop recognizes this adapter as a native Bluetooth drive, with all settings available via the same menu as before. The only small snag I had was that my Bluetooth devices wouldn’t connect until I removed and re-paired them in the settings menu, but they reconnected on the first try and now work flawlessly.

      You’ll need the model and version number to find the right driver to install. You can find the model number on your product packaging or this product listing under the “Product Specifications” section. The version number is printed on the bottom of the USB adapter itself.
      2 people found this helpful
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    Top reviews from other countries

    Translate all reviews to English
    • Nathalia
      5.0 out of 5 stars Ótimo!
      Reviewed in Brazil on October 31, 2024
      Verified Purchase
      O valor super compensa um ótimo adaptador funcionou super bem no meu pc.
      Report
    • Slodacline
      5.0 out of 5 stars As Advertised
      Reviewed in the United Kingdom on February 21, 2025
      Verified Purchase
      Does exactly what it was advertised to do, and worked for what I was using it for. did have to disable my computers built-in Bluetooth card to make it work but other than that no complaints here. :)
      Report
    • Ahmad Sami Yousef
      5.0 out of 5 stars Perfect as described!! Recommended
      Reviewed in Egypt on September 5, 2022
      Verified Purchase
      Works the first second I plug it in my PC.
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    • Luis Estrada
      5.0 out of 5 stars Buen prosucto
      Reviewed in Mexico on March 2, 2025
      Verified Purchase
      Buen producto
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    • Michael Smith
      5.0 out of 5 stars Easy setup and works well
      Reviewed in Australia on August 23, 2020
      Verified Purchase
      Now problems with setup or compatibility. Sounds is synchronised with video.
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