Entry-level professional headset with easy call management and great sound for calls and music. Soft leatherette ear cushions. Adjustable headband lets you find the perfect fit. Easy access to the most used functions, like volume and mute. Easy call management using control unit. 93.6dB SPL @1kHz microphone sensitivity. 150 - 7000 Hz. Optimized for Unified Communication with USB adapter that enables easy integration with PC. Passive noise cancellation. 2-year limited warranty. 0.39 lb. 7.09 x 9.06 x 1.38 in. Sold by each.