Edifier G2II 7.1 Surround Sound USB Gaming Headphone has upgraded 50MM drivers and an independent sound card software that offers a 7.1 sound effect. Enjoy your games with their brilliant gaming headset from the beginning to the very end! You can conveniently control the light, volume and microphone at any time during your game. Simply plug in the USB cable to start your game right away! The G2 II gaming headphones are light-weight only 266g so you won’t feel any pressure on your head when wearing these headsets. The detachable earmuffs deliver an amazing gaming experience.