FUNCTIONS: 1. Mic Switch, 2. Volume Control, 3.Mobile device play/pause/answer call, 4. Inline Microphone, 5. Mobile mic mute switch COMPATIBILITY: Xbox One, PlayStation 4, Smartphone, PC, Mac ienza is a registered trademark. Use of the ienza trademark without the prior written consent of ienza, LLC. may constitute trademark infringement and unfair competition in violation of federal and state laws. ienza products are developed as cost-effective alternatives to OEM parts. They are not necessarily endorsed by the OEMs.