Voice reminding, HD Voice, Voice Prompt

Intelligent noise reduction, Noise free

Super Bass

Wireless version : V4.2

Standby time : about 50HRS

Transmission distance : 10M

Charging voltage : DC 5V

Headset talktime : 3-5HRS

Battery capacity : 55mAh

Charging time: 2 hrs

Sensitivity : -80d Bm

Wireless range : <10m

S/N: >9dB

Frequency response : 60Hz - 20KHz