Onikuma GT820 Wireless Gaming Headset with Noise Cancellation (Beige)

Chipset: JL7006F4
Driver diameter: 32mm
Impedance: 32Ω+15%  
Driver sensitivity: 108dB±3dB
Frequency response range: 20Hz ～ 20KHz
Wireless distance: ≧15M
Microphone size: φ4*1.3mm
Microphone Sensitivity: -42dB±3db
Charging time: 2.5H                                
Play time: 60H (50%volume)
Battery capacity: 500mAh