Product information :
Interface: USB
Plug and Play: Plug and Play
External power supply: No external power supply.
Transmission rate: 1(Mbps)
Effective working radius: 10(m)
Bluetooth standard: 5.0
Operating frequency: 2480(MHz)

Size Information:
Size: 82x29.4x13.3mm

Packing list:
Host *1
3.5mm audio cable *1