Description
SPECIFICATIONS
Wireless Type: bluetooth
Support Memory Card: No
Support Apt-x: No
Support AAC: No
Sound Track: Double
Package: Yes
Origin: Mainland China
Model Number: CM390(80889)
Interface: USB
Content: AUDIO
Certification: CE,FCC
Brand Name: UGREEN
![](https://ae01.alicdn.com/kf/Sc5201b7a3bbe41bda90ddf7546642c76Q.jpg)
Note:
![](https://ae01.alicdn.com/kf/S50e416b6a3484227aa159cc932ed54310.png)
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
![](https://ae01.alicdn.com/kf/H8b05d6e80aa64ebfb08b34f68ffc2fdfe.jpg)
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.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 BluetoothA: 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?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?Q: Does the USB Bluetooth adapter support voice calls?
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,
We recommend that you use a wired connection or a dedicated 2.4g adapter to achieve ultra-low latency and stability .
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.
Q: Are BLE low energy devices supported?
A: It is not compatible with BLE low energy Bluetooth devices in Win7 system, but can be supported by win8 and later systems.
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