Laser-tuned drivers with minimum distortion for crystal clear conversations Noise-canceling unidirectional microphone reduces background noise A padded headband and ear cups with built-in equalizer Optimized for Microsoft Lync 2010 so you can capitalize on teleconferencing and unified communications Features * Type: Over-Ear * Connection Type: Wired * In-line Mic; Noise Cancelling; Volume Control; Adjustable Headband * Weight: 1 lbs * The warranty is covered by the manufacturer for 2 years limited warranty. Package Contents * Logitech USB Headset Mono H650e