For who want head comfort Adjustable headband , you can adjust the headphone to your headset size to make sure you get the best comfort. For who want a smooth chat Equipped with sensitive mic, you can freely talk to your friends without any delay and noise. Easy volume control One key mute and a rotatory volume controller help you easily slide up or down to adjust volume. Specifications Model: GM-1 Driver diameter: 40mm Impedance: 32Ω+15% Sensitivity: 1053dB Frequency range: 15Hz-20KHz Microphone: 6. 0x5. 0mm Cable length: Approx. 2. 1m0. 15LED Working voltage: DC5V5% Headset jack: USB+3. 5mm Package content1*Gaming Headset1*Connector1*User Manual Note1. Extra Microsoft adapter (Not Included) is needed when connect with old version Xbox One controller. 2. This headset is NOT USB-Headset, the USB interface is only used for power supply to LED light.