Wide Application: With UGREEN Bluetooth USB Adapter, PC can be equipped with Bluetooth function. Then you can easily establish a connection between PC and Bluetooth-enabled devices.Bluetooth 5.0 High Speed: With Bluetooth 5.0, the USB Bluetooth adapter transmits data much faster and more stably, and the Bluetooth transmission distance is up to 20M Compatible System: The USB Bluetooth Adapter is only developed for Windows 7, 8.1, 10, 11 and does not support other systems. It needs to install a dedicated driver for Windows 7, 8.1.Driver installation method: 1. Plug the adapter into your device's USB port. 2. Install the driver from the CD. 3. Restart the computer.User-friendly design: The USB Bluetooth dongle is compact and lightweight. The size is only 53mm, 24mm, 13mm. The indicator light can clearly show the current status. The dust cap can effectively protect the adapter and facilitate storage.