Specifications * Item Name : Bluetooth Game Headphone * Headphone type : Over ear * Driver diameter: 50mm * Interface: Bluetooth/3.5mm interface * Sensitivity: 120dB +/- 3dB at 1KHz * Frequency range: 20Hz-20KHz * Mic sensitivity: -42dB +/- 3dB * Function: 7.1 Surround and Stereo Sound *Play time: 24-26 hours *LED:RGB *Microphone:built-in Mic or Detachable microphone