- Bluetooth version: V5.0 EDR
- Wireless frequency: 2.4GHZ
- Supporting agreement: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3
- Transmission distance: 10 meters
- Battery capacity: 50mAh
- Charging voltage / current: 5V / 1A
- Play / talk time: about 4 hours
- Charging time: about 1 hour
- Standby time: 120 hours
- Speaker impedance: φ8MM 32Ω
- Microphone sensitivity: -42Db
- Working temperature: -10-50 °C
- 2, charging bin parameters
- Input voltage / current: 5V / 1A
- Battery capacity: 1500mAh, 2600mAh