Pryme BTH-300-KIT1 BT Mic w/ Bud Earphone for Radios + Cell Phones Dual Pairing. WIRELESS LAPEL MICROPHONE KIT WORKS ON TWO-WAY RADIOS USING PRYMEBLU ADAPTERS AND CELL PHONES (dual-pairing). The NEW BTH-300 series PRYMEBLU Bluetooth (wireless) professional grade lapel microphone kit features a front mounted, easy to use, PTT button. The BTH-300 features a 3.5mm jack compatible with Apple headsets plus Pryme offers 8 other high-performance specialty headsets for almost every type of application including vbration throat mics and motorcycle helmet kits. The BTH-300 features include 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 the BTH-300 is 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 several Bluetooth devices, including Bluetooth compatible mobile phones (PTT function supported on two-way radios using PRYMEBLU adapters) with range up to 10 meters. 10+ hours of operational battery life (>50 hours of standby). Built-in wireless PTT with front mounted button. Slim, lightweight case is comfortable to wear and easy to use. Top-mounted 3.5mm jack is compatible with Apple headsets or multiple PRYME headsets. Typical operation range: 10 meters. Side-mounted volume controls remember their setting even when unit is powered-off. Cell phone control button for typical phone functions such as answering or terminating phone calls. 360 metal, swivel, clothing clip allows user to wear comfortably.