3 in 1 2.4G Wireless +Bluetooth + Wired

20ms low latency 

Battery Capacity : 1200 mAh 

Working time :20 Hours 

Charging time: 2-3 hours 

Driver Unit : 50mm

Impedance : 32Ω±15%

Sensitivity: 116db ±3dB

Frequency Response: 20HZ-20KHZ 

Mic Sensitivity : -42±3db

Working range: 10M

Headset Size : 215mm*92mm*210mm