Specifications: 1. Driver diameter: 50mm. 2. Impedance: 16 Ohm. 3. Sensitivity: 114dB +/- 3dB at 1KHz. 4. Frequency range: 20Hz-20KHz. 5. Mic sensitivity: -36dB +/- 1dB. 6. Mic impedance: 2.2k Ohm. 7. Headset interface: 3.5mm + USB (USB for LED light). Notes: 1.You need a extra Microsoft adapter ( NOT INCLUDED) when connect the gaming headset with an old version Xbox One controller. 2.The USB interface is only for power supply to the LED light. 7.1 surround sound: 50mm driver ensures immersive sound, giving you better gaming experience. HIGH QUALITY MATERIAL: ONIKUMA K10 Pro gaming earphones are made of premium cotton and environmentally friendly. Suitable for all gaming devices with 3.5mm port: designed for every platform of your game including PC / Mac / PS4 / Xbox One (old version Xbox One requires adapter, not included). Sensitive Mic Controller: -42 + 3dB sensitive sound let you tune your voice quickly and clearly. Socket: 3.5 gold plated + nickel plated USB. Acoustic tinting: harmonic distortion (THD) 1%. Voice: clear and smooth, smooth, low frequency, effective to show different sounds. Resolution: effective response, reflecting every change in sound signal detail. Wire: 2.2m main wire, oxygen-free copper wire, purity 99.95%, good electrical conductivity, effectively reduce signal distortion, sway more than 20,000 times. Package Contents: 1* ONIKUMA K10 PRO gaming headset. 1* 1-to-2 3.5mm audio jack splitter cable. 1* Operating Instruction.