5 PCS USB Bluetooth Music Receiver 3.5mm Bluetooth Speaker Adapter

1. Plug and play2. No external power supply3. Bluetooth standard: 2.14. Transmission rate: 3Mbps5. Interface: USB / 3.5mm6. Working frequency: 2.4MHz7. Effective working radius: 10m8. Simple operation, easy to carry, compact9. Wire to wireless, transforming ordinary speakers into wireless Bluetooth speakers10. Support bluetooth-enabled digital products such as smart mobile phones, computers, etc., to realize stereo wireless transmission11. Unit weight: 0.035kg