Working time: 2-3 hours.
Standby time: 100/h for one ear and 60/h for both ears.
Charging time: 1-1.5 hours.
Single earphone battery capacity: 35mAh.
Charger Box Betty: 300mAh.
Wireless distance: 32 feet.
Compatible mobile phones: headphones are compatible with Android, IOS, Microsoft, etc., 100% of mobile phones with Bluetooth.