P/N: PD-BT-BR5.0
Specification:
Color:Black For Bluetooth Standard:V5.0
Chip:CSR8041 Frequency Range:2.4GHz Operation system:for Windows Windows 7/10/11 
Interface:USB compliance Rate:10Mbps Receiving/Sending range:20m Type:Adapter/Converter Note: Due to the screen difference, the color may be a little different from what you expect, please allow it Packaged included: 1 x USB adapter