1. BT Ver: Airoha V4.2
2. Rang: 33FT/10M
3. Battery: 120mAh
4. Voltage: 3.7V
5. Power: <100mW
6. Taking Time: 6H
7. Charging Time: 2H
8. Charging Way: USB Micro 5V
9. Frequency Response: 20Hz-20KHz
10. Support: HFP/HSP/A2DP/AVRCP
11. Color: Black/Blue/Red/Green