Wireless Type: Wireless Distance: 40 ft. Features: 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 Parts: 1 year limited Labor: 1 year limited