Unlock wireless connectivity on your PC with the Ugreen Bluetooth 5.3 USB Adapter, perfect for a cable-free setup with your mouse and keyboard.

Latest Bluetooth 5.3 technology for improved range and connectivity
Easy-to-use USB dongle for plug-and-play pairing with devices
Wide compatibility with Windows 11, 10, and 8.1 operating systems
Ideal for both wireless keyboards and mice, enhancing your work efficiency
Compact design that easily fits into any computer setup without clutter
Reliable connection that reduces interference and latency issues

Note:

Q: If your Bluetooth adapter does not work (there is a driver error problem), please use the following methods to solve it.

A: Since Windows 10 system has Bluetooth function which is the "Intel(R) Wireless Bluetooth" in this image，

So you need to right-click to disable the Bluetooth: "Intel(R) Wireless Bluetooth" and then re-plug our 5.3 Bluetooth adapter to try，

If you have other questions, you can contact our online customer service to solve the problem.

The USB bluetooth adapter can only be plugged into your desktop or laptop computer, and cannot be used on other devices such as a car.

Before using the product, please disable the Bluetooth of the computer itself, and uninstall the existing Bluetooth driver of the computer, and then install the driver of this product.

BLUETOOTH 5.0 USB ADAPTER

Enjoy the ease of wireless

Bluetooth 5.0

Enhanced Wireless Connection

Stream Music & Take Calls

PC connects to Bluetooth headphones or speakers

Bluetooth Mouse/keyboard

Connection is responsive no delay

Data Transfer Support

Sending files/videos1 music between a smartphone and PC

Support Windows 7/8.1/10/11

Driver installation is required

( only Driver-free for Win 10)

20M Long Distance Transmission

Add 5 Devices To PC

Support 5 different types of device at the same time

Fast Pairing & Auto Reconnect

A better Bluetooth experience

LED Indicator

The indicator flashes while paring and stays still when connected

Q: My PC Can't use this CD, how do I install the driver?

A: If your PC does not have a CD driver, please kindly download the driver from UGREEN official website. it is for free.

Download link: https://www.mediafire.com/file/4zocnlemhj3656g/Bluetooth_5.0_Adapter_Installation.rar/file

Note: Before using the product, please disable the Bluetooth of the computer itself, and uninstall the existing Bluetooth driver of the computer, and then install the driver of this product.

Q: Why it is failed to work when the dongle plug in windows 10 operating system?

A: The Bluetooth 5.0 Dongle needs to install the driver when plugging in the windows 10 system. so that you can get better wireless performance.

Q: Does the Bluetooth dongle support TV?

A: Sorry, this device will only work when plugged into supported Windows. Even though TVs, home theater equipment, and stereos have USB ports, they don't have the necessary drivers to support this adapter.

Q: After the driver installation is completed and the Bluetooth adpter cannot be searched?

A: 1. Restart the computer after installation 2. Please confirm that your Bluetooth device (headphone / keyboard / speaker) is not occupied by other Bluetooth

Q: Why do I get a driver error when I install the driver?

A: Maybe the built-in Bluetooth on the computer causes a conflict. Please disable the previous Bluetooth first.

Tips:Connect 5 devices wireless via Bluetooth 5.0 dongle at the same time, but music streams to only 1 audio device at a time.

How do I install the driver for Windows?

a. To install the driver, visit the UGREEN website, search “CM390” 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

Q: Can the USB Bluetooth adapter connect to the same device at the same time, such as two earphones?

A: No, you can connect 5 devices at the same time, but they must be different types of devices.

Q: Does the USB Bluetooth adapter support voice calls?

A: If your Bluetooth headset has a microphone function, it supports voice calls.

Q: Can the USB adapter be connected to Gaming Controllers such as PS/XBOX?

A: It only supports connected PS4, X BOX ONE S and later series Gaming Controllers. Bluetooth devices all have latency issues（Latency<250ms）, If you need to connect game controller devices and have requirements for latency,