SADES SA907 7.1 USB Wired Surround Sound Over-Ear Stereo Gaming Headset with Microphone Control Remote Noise Isolating Leather Earmuffs LED Lights(Black) Dynamic 50mm driver with high precision sound source position and super shocking sound effects Advanced 7 point 1 virtual surround sound engines with USB plug Unique Shield shape in line remote control for sound and Mic Glittering with blue light shows cool when operating Retractable and flexible Microphone with unidirectional pickup pattern Extreme soft and ventilate Protein ear cushion for extend gaming comfort Klored woven fabric cord bearing strong pulling strength Reinforced headband offering levels of height adjustment for perfect fit Local Chinese version with no serial number