The Sennheiser SC30 USB (Universal Serial Bus) ML is a deployment friendly single-sided wideband headset optimized for Microsoft Lync With integrated call control unit & USB (Universal Serial Bus) connector the Sennheiser SC30 USB (Universal Serial Bus) ML headset offers great functionality & convenience when connected to Microsoft Lync The Sennheiser SC30 USB (Universal Serial Bus) ML is specifically designed for the Unified Communications market where Sennheiser HD voice clarity & maximum call handling flexibility can make a genuine difference to productivity Further features of the Sennheiser SC30 USB (Universal Serial Bus) ML headset include Integrated call control & USB (Universal Serial Bus) connector wideband sound for a natural listening experience noise canceling microphone makes speech transmission crystal-clear & suppresses ambient noise in offices high comfort large ear pad in a ultra lightweight headset for relaxed wearing solid construction crafted with look & feel in mind single sided wearing style let’s you hear what’s going on around you bendable boom arm ensures microphone position is always optimal & cannot be twisted out of position & Active Gard™ technology protects you from acoustic shock & sudden sound surges The Sennheiser SC30 USB (Universal Serial Bus) ML headset also comes with a 2 year warranty Optimized for Microsoft Lync – with integrated call control & USB (Universal Serial Bus) connector Sennheiser HD voice clarity provides wideband sound for a natural listening experience Noise canceling microphone makes speech transmission crystal clear & suppresses ambient noise in offices Bendable boom arm ensures microphone position is always optimal & cannot be twisted out of position Active Gard™ technology protects you from acoustic shock & sudden sound surges