PrymeBLU® Headsets, Speaker Mics & wireless accessories for L3 Harris Radios (models with Built-in Bluetooth)


BTH-300-HA Wireless microphone kits for L3 Harris radios, 9 different versions! Includes built-in wireless PTT. Includes charger kit.

WIRELESS LAPEL MICROPHONE KIT WORKS ON L3 Harris TWO-WAY RADIOS with Built-in Bluetooth The NEW BTH-300-HA series PRYMEBLU® Wireless, professional grade lapel microphone kit features a front mounted, easy to use, PTT button, Orange colored PANIC button and upgraded clothing clip. The BTH-300-HA 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-HA 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 new upgraded 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-HA 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). ONLY FOR HARRIS RADIOS WITH BUILT-IN BLUETOOTH. NOT COMPATIBLE WITH EXTERNAL BT ADAPTERS!



  • 10+ hours of operational battery life (>50 hours of standby)
  • Built-in wireless PTT with front mounted button.
  • Orange colored, recessed PANIC 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.
  • Heavy duty, metal, 360 degrees 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-HA N/A 2021-03-01 639 KB