Weight: 4.5g(Single earbud)
Earphone battery capacity:42mAh
Charging current: 65mA
Earphone charging time: about 1h
Continuous phone call time(ANC/ON): 3.5h
Continuous music playbacktime(60% Vol.): 4.5h
Continuous music playback time(60% Vol., ANC/ON): about 4.5h
bluetooth version: bluetooth 5.0
Frequency band: 2.402G-2.480GHz
Transmission range: >10m
Operating temperature: -10°C-55℃