Plantronics Blackwire 300 DA - USB Headset - New Leatherette Ear Cover! [C2] ***Signs of use!!!*** ***Signs of use!!!***Enter UC with the best-featured headset you never thought your budget could afford. Blackwire® 300 Series USB headsets are a simple-to-use, comfortable, and durable choice for conference calls, Web-based training, and PC multimedia applications. Inline controls make it simple to answer and end PC calls and control volume and mute. The lightweight metal headband provides durability while delivering a comfortable and secure fit, while the unique Dynamic EQ feature optimises sound quality and adjusts settings on the fly, creating outstanding sound for voice, music, and multimedia. The Blackwire 300 Series is ideal for those new to PC telephony as well as organisations looking for a UC solution that’s easy to roll out, manage, and upgrade. Features:Connects to PC via USBLightweight metal headbandInline answer/end, volume control, and muteWideband audioNoise-cancelling micDynamic EQEnhanced Digital Signal Processing (DSP)SoundGuard technology: Acoustic limiting for protection against sounds above 118 dBACable Length: 7 feetCompatible with Windows® or Mac® OSOptimised For Microsoft Lync