1. Bluetooth version: 5.2 2. Interface: 3.5AUX 3. Transmission rate: 200Mbps 4. Operating frequency: 2.4MHz 5. Effective working radius: 15m 6. Battery capacity: 300mAh 7. Ultra-long battery life, solve the limitation of audio devices 8. Pairing two devices, share your fun without disturbing others 9. Bluetooth 5.2 chip, transmission is more stable 10. Size: about 47.5 x 47.5 x 16.3mm
