1. Drive: 40mm
2. Impedance: 32 OHM
3. Version: V5.0
4. BT use frequency band: 2.4GHz
5. Power level: CLASS II
6. Connect distance: 10 meters
7. Frequency response: 20-20000Hz
8. With A2DP/AVRCP high-quality
stereo audio transmission and remote control protocol
stereo audio transmission and remote control protocol
9. Charging time is about 2.5 hours
10. Talk time is about 20-24 hours
11.Music time is about 20-24 hours
12. Standby time is about 250 hours
13. Battery capacity 400MAH
14. Charging power supply: TYPE-C