- Bluetooth specification:V5.3
- Bluetooth Profile:A2DP,AVRCP, HFP, HSP
- Working voltage:3.1 V-4.2V
- Charging voltage:5V-1A
- Speaker specification: 8mm*2
- Frequency response:20Hz-20OkHz
- Impedance:320
- Battery capacity of the headset: 40mAh
- Battery capacity of the storage box:300mAh
- Transmission distance:>10M