Tt eSPORTS Shock 3D 7.1 Surround Sound Gaming Headset (HT-RSO-DIECBK-13) 3D 7.1 VIRTUALIZED SURROUND: Tt eSPORTS' 3D 7.1 virtualized surround sound technology is the first on the market to offer a much more encompassing sound, providing a virtualized 7.1 approach that instead offers a 360 Degree feel. 4 EQ SETTINGS + ENVIRONMENTAL SOUND EFFECTS: A dedicated EQ button on the ear cup lets the user cycle through the EQs at any time. Twelve environmental sound effects accessible by software, allow users to further tune the sound. FOLDABLE DESIGN: The SHOCK 3D 7.1's ear cups can swivel to fold flat for convenient transport, as well as helping to conform the ear cups to provide the right fit & seal for each user. BENDABLE MICROPHONE + AUTO MIC-MUTE DESIGN: When the microphone is pivoted upwards, the auto-mic mute design kicks in by switching the circuit off. This is the cleanest way to handle the microphone signal for muting. 2 Year Warranty