Bluetooth headphone with mic

Bluetooth version: 6.0
Bluetooth distance: 10M
Built-in polymer battery: 1000mAH
Rated power: 10mW
Driver unit: 40mm
Maximum power: 50mW
Speaker impedance: 32±15%
Frequency response: 20HZ-20KHZ
Sensitivity: 98±3DB
Charging parameter: DC 5V
Charging time: 2-3 hours
Playback time: approximately 120 hours