Wireless TWS Bluetooth headset

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