Gaming Wireless Headset Havit Fuxi-H1, 40mm driver, 20-20kHz, 17 Ohm, 106dB, 177g, 24h, 3.5mm+BT+2.4Ghz, Pink. Tri-Mode H1 Gaming HeadphoneSpeaker: ?40mmChip: Broadcom (Bluetooth BK3288X+2.4G BK2635)Impedance: 17±15%?Sensitivity: 106±3dBFrequency response: 20Hz to 20kHzMicrophone: ?6.0?2.7mmMicrophone sensitivity: -42±3dBWireless distance: 10mPlug: 2.4GHz+Bluetooth+Audio cableLithium battery: 400mAh 3.7V2.4G working hours: 20 hoursBluetooth working hours: 24 hoursCharging time: about 2HCharging method: (Type-C) USB 5VLow latency 24MSSize: 77mm(W)*176mm(L)*195mm(H)Product weight: 177±5g