Communication distance:about 20m(without obstacles)
Bluetooth version:V5.0+EDR
Working duration of earphone:about 4 hours
Standby period of earphone:about 50 hours
Charging period of earphone:about 2 hours
Battery capacity of earphone:3.7v 50mAh
Battery capacity of charging box:3.7v 600mAh
Charging period of charging box:about 2 hours
Note:all technical information shall be subject to its actual performance