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
