PRYMEMAX Technology WORKS ON PTT APPS, Radios with Built-in Bluetooth (ICOM, Kenwood, EFJ and BK), ALL PRYMEBLU Radio Adapters and also (dual function) NORMAL CELLPHONE CALLS! It's wireless professional-grade lapel microphone kit features a front mounted, easy-to-use, PTT button. It features a 3.5mm jack compatible with Apple headsets plus we also offer 9 other high-performance specialty headsets for almost every type of application including vibration throat mics and motorcycle helmet kits. More than 11 hours of operation time (50 hours of standby), easy pairing, no connectivity loss, and fully functional PTT. Other features include a heavy duty clothing/belt clip that swivels 360°, and strategically placed pairing and low-battery warning light on the side of the microphone, protected by a weatherproof lens. Lightweight and easy to use and multi-functional, featuring a broad-range volume control, 3.5mm headset jack, and rechargeable/replaceable battery (comes with universal micro-USB wall charger and cable). It can be multi-paired with up to 2 Bluetooth devices at the same time, including Bluetooth compatible two-way radios, mobile phones or tablets and all PRYMEBLU Radio Adapters. Typical range up to 10 meters. PoC App function is compatible with both ANDROID or APPLE DEVICES if supported by your PTT Application.