Product features:
m10 tws earbuds bluetooth 5.1
earphones 3500mah charging
box wireless stereo headphones sports waterproof earbuds headsets with microphone
working voltage: 3.1v~4.2v
charging voltage: 5v-1a
battery capacity of the headset: 50mah
battery capacity of the storage box:3500mah
transmission distance:>10m
call time: 5 to 6h
play time: 5 to 6h
waterproof: ipx7
charging time of headset: 1 h
charging time of the charging box: 2h
support system: all bluetooth devices and mobile phones(gm20220)