1. Light weight design
2. 15hr Talk Time
3. Voice assistant
4. Splash, Sweat Resistant
5. Noise and Voice Clarity
6. Bluetooth V5.3 Frequency response: 60Hz-20KHZ
7. Sensitivity: -80dBm
8. Working Frequency:402GHz-2.480GHz
9. Bluetooth range: <=10m
10. S/N: 90dB. Charging time: about 1.5hr
11. Support Bluetooth profile: A2DP AVRCP HSP HFP APTX