Logitech B530 USB HEADSETOPTIMIZED FOR MICROSOFT LYNC 2010 Laser-tuned drivers with minimum distortion for cyrstal clear conversations Noise-canceling unidirectional microphone reduces background noise Padded headband and ear cups with built-in equalizer Optimized for Microsoft Lync 2010 so your can capitalize on teleconferencing and unified communications This business product ships in brown box with no retail packaging