The Logitech PC Headset 860 stereo headset features a comfortable, adjustable and lightweight headband designed for comfort even when wearing it for prolonged periods. The rich, full-range stereo delivers clear sound for music, calls or any audio content. Convenient in-line controls allow easy adjustment of the volume and microphone mute. The noise-canceling microphone filters unwanted background noise, and can be adjusted to the optimal position for clearer conversations. The boom microphone rotates out of the way when not in use. Set-up is easy and fast; simply plug in the 3.5mm audio jack. Adjustable microphone boom on the left-ear side Extendable headband: 38mm on each side Noise-cancelling microphone Cable length: 8 feet In-line volume control In-line microphone mute/unmute switch Connectivity: 3.5 mm analogue audio jack Microphone sensitivity: -44dBV/PA +/-3dB