Surround Sound, Replaceable Ear Tips, Noise Isolation, Ambient Sound Mode, Detachable Cable, HD Voice, Built-In On/Off Switch, Stereo, In-Line Control, Touch Control, Call functions, Adjustable Headband, Playback Controls, Rechargeable Battery, L-Shape Plug, Noise Cancellation, Extra Bass, Sweat-Proof, Built-in Microphone