Product: USB Mini Bluetooth Adapeter 5.3 Black
Color: Black 
Bluetooth Version：Bluetooth 5.3 is backward compatible with 5.1 5.0 4.0.
Transmission Distance： Barrier-Free 20m
Support: A2DP,HSP,AVRCP,HID,PAN,GAVDP.DID,IOPT etc.
Supported Systems: windows,apple os,linux,vista win8.1 or above can be used without driver