PrymeMAX™ Wireless


BTH-300-MAX Wireless microphone kits for Phone & Tablet Apps, 9 different versions! Includes built-in wireless PTT. Includes charger and charging cable.

NEW PrymeMAX™ Technology WORKS ON PTT APPS, Radios with Built-in Bluetooth (ICOM, Kenwood, EFJ and BK-Except BKR series), ALL PrymeBLU Radio Adapters and also (dual function) NORMAL CELLPHONE CALLS! The NEW BTH-300-MAX series PRYMEBLU® wireless professional-grade lapel microphone kit features a front mounted, easy-to-use, PTT button. The BTH-300-MAX features a 3.5mm jack compatible with Apple headsets plus Pryme offers 9 other high-performance specialty headsets for almost every type of application including vibration throat mics and motorcycle helmet kits. The BTH-300-MAX 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-MAX 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). Typical range up to 10 meters. IMPORTANT NOTICE: PTT App function is compatible with both ANDROID or APPLE DEVICES if supported by your PTT Application



  • 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.
  • Wall charger and micro USB charging cable included in all versions 
    (charging cable can also be used with most USB style charging adapters including car chargers.)
Name: Version: Date: Size:
MANUAL-BTH-300-MAX N/A 2022-01-19 725 KB