Stylish, adjustable over-the-head design helps ensure a comfortable fit that won’t slip off. Ultra-soft earpad, flexible and lightweight design enable all-day wear. USB cable allows for simple, plug-and-play connectivity. Adjustable microphone for precise positioning. Microphone rotates out of the way when listening to music. Adjust the volume or mute the microphone, right from the headset. Microphone mute indicator light tells you when mute is enabled. Advanced digital USB delivers superior sound quality. Noise-canceling microphone filters background noise for clearer conversations. Full-range stereo headphones deliver clear sound for music and calls. System Requirements Windows® 2000, Windows® XP, Windows Vista™ USB port Technical Specifications Pure digital stereo audio Adjustable microphone boom on the left-ear side Extendable headband: 38 mm on each side Noise-canceling microphone Frequency responseHeadphone: 20 - 20,000 HzMicrophone: 100 - 16,000 Hz Microphone sensitivity: -44 dBV/PA +/-3 dB CableTotal length: 2.4 m (8ft)In-line volume control position: 80 cm (2.6 ft) to headset In-line volume controlVolume up/down buttonMicrophone mute/unmute buttonMute indicator light Connectivity: USB Package Contents Logitech® PC Headset 960 USB Quick Start Guide