How to Use: Plug and play Specification: Item Type: Gaming Headphone Material: PVC Color: As shown in the picture Microphone Sensitivity: 42±3db Speaker Unit: 40mm Headphone Sound Effect: Stereo Headphone Impedance: 32 ohms Frequency Response Range: 20Hz-20KHz Package List: 1 x Gaming HeadphonePlug Play: Easy to use, plug and play, with volume adjustment, adjust the sound at any time. Long Lasting: Low loss and anti pull audio cable, toughness, solve the trouble of tangled cables, and effectively extend the lifespan. Breathable Comfortable: Breathable all inclusive earmuffs, skin-friendly and comfortable, effectively isolate external noise, suitable for long term wear, bid farewell to dullness. Surround Sound: The stereo surround sound is shocking, and the sound quality of the headset is better presented, stereo restore the game effect. Practical Convenient: 40MM moving coil loudspeaker, simulating a 360 degrees spherical sound field, monitoring the enemy's sound source in all directions.