UGREEN USB Bluetooth adapter is designed to connect all your Bluetooth-enabled devices with the computer over a distance while maintaining a strong connection. This wireless USB adapter is a fantastic solution for your wireless transmission needs This USB Bluetooth adapter for PC allows you to connect up to 5 devices at the same time without affecting each other, including game controllers, headsets, home theater, mouse, keyboard, etc. UGREEN USB Bluetooth 5.0 is compact and lightweight, you can easily put it in a bag and take it with you The indicator light of the Bluetooth adapter can clearly show the current status The dust cap can effectively protect the adapter without damaging the USB interface Specifications: Model: cm390 Bluetooth standard: Bluetooth V5.0 Transmission distance: 20 meters (under barrier-free environment) Supported protocols: A2DP, H2DP, HSP, AVRCP, HID, etc. Compatible Bluetooth devices: Support: Bluetooth-enabled wireless devices such as smartphones, keyboards, mice, headphones, earphones, speakers, printers, modems, serial devices, etc. Not supported: Home theater or car systems