UL SADES SA901 Pro USB PC Gaming Headset 7.1 Surround Stereo headband headphones with Microphone Deep Bass Volume Controller with Mute function (Black Red) 7.1 USB sound card delivers thrilling surround sound with separately adjustable levels. Advanced Reinforced headband, which offers nine levels of height adjustment for the perfect fit Unique structure with retractable Mic Little smart in-line Remote Control for sound and Mic Unique 4-pieces of padded headband and comfortable ear cushions guarantees hours of gaming comfort