Product information:
Headphone size: 27*21*20 mm
Charging case size: 60* 30* 38 mm
Headphone battery capacity (single): 55 mAh
Charging case battery capacity: 410 mAh
Headphone charging time: 70 minutes
Charging box charging time (wired): 85 minutes
Full charge per ear: 6 hours
Fully charged with charging box: 18 hours
One ear fully charged: 8 hours
Fully charged with charging box: 24 hours
Speaker impedance: 32Q
Communication distance: 10 meters (in an open environment)
Bluetooth Specification: BluetoothR 5.2
Working temperature: 0 ℃~45 ℃
Frequency Band: 2.400 GHz ~2.4835 GHz


Packing list:
Headphone*2+Charging compartment*1+Data cable*1