Plantronics Audio 995 USB Multimedia Headset with Noise Canceling Microphone - Compatible with PC and Mac Dual 40mm speakers deliver full-range stereo sound Wireless connection with 40-foot range On-ear controls for volume adjustment and controlling tracks on iTunes and Windows Media Player Noise-canceling microphone with Fast Mic Mute feature that automatically mutes the sound when the boom is raised Easy plug-and-play setup; no software required, One-year limited warranty WIRELESS FUNCTIONALITY: Take advantage of exceptional performance and sound quality throughout a 40 foot range with wireless capabilities. EXCEPTIONAL AUDIO PERFORMANCE: Dual 40-mm speakers offer full-range audio with clear treble and deep rich base. COMFORTABLE FIT: Lightweight and soft ear cushions extend comfort for all day wear including music, gaming, and phone calls. NOISE CANCELING MICROPHONE: Eliminates distracting background noise for Skype and Internet phone calls to make your voice sound crisp and clear. COMPATABILITY: Headset works with PCs and Macs for all music, gaming, and internet calls uses.