Note: This headset is NOT USB-Headset, The USB interface is only used for power supply to LED light. Before apply the headset on your PS4, please test it with your cellphone to ensure it function well. PS4 setting: Insert the headset own 3.5mm jack plug into the Gamepad, then long press the PS button or enter the system Settings. There is a peripheral machines, choose “Adjust Sound and Devices”, “output to the headphones”, then change it to “all audio “. It is suitable for PS4,mobile phones, tablets, laptops(with 3.5mm combo headphone/microphone port). Specifications: Driver diameter: 40mm Impedance: 32Ohm +/-15 Sensitivity: 105dB +/- 3dB at 1KHz Frequency range: 15Hz-20KHz Mic dimension: 6.0 * 5.0mm Mic sensitivity: -38dB +/- 3dB Mic impedance: 2.2kohm Directivity: All directional Cable length: Approx. 2.1m¡À0.15 LED working voltage: DC5V +/- 5% Working current: Below 100mA Headset interface: 3.5mm(4pin) + USB (USB for LED light) Headphone size: Approx. 95*215*203mm/ 3.7*8.5*8.1in Headphone weight: 295g / 10.5oz Package size: 213*200*105mm/ 8.4*7.9*4.1in Package weight: 420g / 0.9Lbs Package content: 1 * GM-2 Headphone 1 * 1 to 2 3.5mm jack cable 1 * User manual