Plantronics Blackwire C-310M Headset

Lightweight metal headband offers durability and a customizable, comfortable fit
-Intuitive inline controls to answer/end calls, control volume, and mute
-Smartly placed indicator lights and helpful audio alerts give user call,mute, and volume status
-Wideband audio with noise-canceling for high-quality PC telephony
-Dynamic EQ feature automatically adjusts audio for voice or multimedia use
-Noise-canceling microphone filters out background noise
-Enhanced digital signal processing provides more natural voice sound
-SoundGuard® technology provides protection against audio spikes
-Monaural
-Connects to PC via USB