How to Use: 1. Generally, the wired end or the microphone end is designed on the left side, so the wired end or the microphone end should be worn on the left ear when you use the headset. 2. Use the headset on the computer, confirm whether the microphone switch of the headset is turned on; then confirm whether the microphone switch in the computer is open, you can teach you how to face the task, and click to enter the volume control for related settings. Go to Sound in Control Panel to make related settings. 3. Please confirm whether the high volume adjustment photo of the earphones is the smallest sound, which can be adjusted to the appropriate volume. 4. Use this headset to enjoy the game. Specification: Item Type: Gaming Headset Material: ABS Model: G9000MAX Speaker Diameter: Approx. 40mm/1.6in Sensitivity: 105±3dB Rated Power: 20mW Frequency Range: 15Hz-20KHz Microphone Sensitivity: -38±3dB Impedance: 22O±15% LED Working Voltage: DC5V±5% Package List: 1 x Gaming Headset 1 x Adapter Cable 1 x ManualSponge material, earmuffs are made of high-quality soft material, comfortable and soft to wear. 3D surround sound effects, surround stereo sound system matching, allowing you have a different gaming experience. Multi-color dazzling lights with exquisite patterns and shapes, the light and the atmospheric appearance are flawlessly fit. With shocking sound effects, the sound effects specially designed according to the game make you immersive. This E-Sports headset is suitable for a variety of mainstream games, listening and distinguishing positions, and the sound quality is delicate.