Top Features:  - Dolby virtual 7.1 surround sound places you in the middle of the action - Two swappable batteries allow for limitless play time - Universal compatibility, for superior audio quality across all platforms - Premium leatherette ear cushions for comfort throughout usage time  Dolby 7.1 surround sound  The SteelSeries Siberia 840 Wireless 7.1 Gaming Headset combines three Dolby technologies to create an audio experience that transports you to the world in which you're playing. Dolby Pro Logic IIx and Dolby Headphone combine to transform your two-channel headphones into a virtual 7.1 surround sound system. The enhanced audio envelops you like a real sound system, and eliminates the listening fatigue often associated with headphones.  Two swappable batteries  Siberia 840 comes with two rechargeable lithium-ion batteries and a separate transmitter. Simply insert one battery into the transmitter to charge while using the other in your gaming headset to listen without any time limit. When your battery runs out, simply swap them over to continue enjoying sonic perfection.  Universal compatibility  There's no need for supreme audio to be restricted to gaming. The Siberia 840 connects to all kinds of devices including Mac, PC, Apple TV, Roku and mobile devices. Now, your gaming headset can deliver a surround sound to your ears wherever you are and whatever device you're using.  Premium leatherette ear cushions  When you're settling in for a long gaming session, you want your headphones to provide comfort that lasts right up until your game is over. Siberia 840 uses premium leatherette and padding around the ear cups and headband and combines this with memory foam cushions, preventing the uncomfortably warm feeling that occurs after extended gameplay.

STEELSERIES Siberia 840 Wireless 7.1 Gaming Headset