1. Material: ABS, electronic components
2. Bluetooth version: 5.0
3. Effective distance: 10 meters (barrier-free open space)
4. Frequency range: 2.4GHz-2.483 GHz
5. Supported protocols: Handset, Hands-free, A2DP, AVRCP
6. Battery capacity: earphone: 40mAh lithium battery, charging compartment: 1200 mAh lithium battery
7. Playing time: about 4-5 hours
8. Talk time: about 3-4 hours
9. Standby time: headset off standby: > 6 months
10. Charging time: earphone: about 1 hour, charging case: about 1.5 hours
11. Headphone output power: 5mW
12. Speaker: 1 (8.0mm), 32 ohms
13. Speaker sensitivity: 92dB=/-3dB at 1.0kHz/ 0.179V
14. High-definition LED digital power display, easy to observe the power
15. Bluetooth 5.1 chip, fast connection, more stable listening to songs and calls
16. Touch operation, responsive and quick to use
17. Binaural stereo, HIFI sound quality