In-ear design ensures this headset system doesn’t get in your way Wireless Bluetooth connectivity, with a range of 328ft., means you can wander without losing connection Three-way connectivity offers greater flexibility 20Hz to 20KHz frequency response lets you hear everything clearly Chat with friends and family on Skype and Multiplayer Network Games, courtesy of the Boom Mic Mono sound lets you listen to your recordings or telephone calls while on Skype Ideal for use with systems that have a Mono Jack for non-stereo use