USB Bluetooth adapter

Product model: BTA-409
Product color: black / white
Interface: USB TYPE-A interface
Product material: ABS material
Chip: CSR 8510 chip
Transmission distance: ≤20m (more effective transmission within 10m)
Plug and Play: Plug and Play
External power supply: no external power supply
Transmission rate: 3 (Mbps)
Effective working radius: 10 (m)
Bluetooth standard: 4.0