1.Chip: Jerry 6973d
2. Bluetooth version: v5.1
3. Frequency response range: 50Hz - 20kHz
4. Supported protocols: avrcp/v1.6.a2dp/v1.3.hfp/v1.7/concurrent/le/br/edr
5. Microphone MIC: -42db silicon microphone
6. Use time: about 10h
7. Bluetooth transmission distance: about 10 meters
8. Charge current: 400mA
9. Signal to noise ratio: above 90dB
10. Headphone battery capacity: 100 mAh
11. Speaker power: 3MW rating
12. Charging time: about 1.5h
13. Charging voltage: 5V
14. Receive sensitivity (types): -85db
15. Charging port: Type-C
Characteristics:
1. Independent cavity built-in high-end HIFI speakers HIFI sound quality
2. Dual microphone intelligent noise reduction processing
3. Skin-friendly silicone with no pain for long time use
4. Bluetooth 5.1 chip stable connection smooth operation
5. Adopt left and right split wireless design
6. Multifunction buttons easy to operate