Charging time: 2-3 hours
Endurance: 40 times
Frequency response range: 20HZ-20KHZ
Sensitivity: 103+3DB
Transmission distance 10m
Transmission frequency: 2.4GHZ band
Bluetooth 5.0
Headphone battery capacity: 45mAH
Charging bin capacity: actual capacity 1200mAh ±50
Voltage: 3.7V
