This new model JMC Performance series BT-05 Bluetooth helmet headset DUAL KIT has been designed for installation into most flip-up modular, full-face or open-face style helmets. Includes JM Corporation’s propriety Bluetooth 5.0 software package with improved on-highway volume levels and smoother operation with the latest versions of the iPhone and Android operating systems. This helmet headset DUAL kit includes 2 (two) BT05 control heads, USB charger/adapter cables, both boom & chin-bar style microphones, two pairs slim-line high-output mount in helmet speakers, mounting clips, control head bases, mounting hardware, Velcro/adhesive pads and complete installation/operation instructions. The BT05 Bluetooth control headsets are packaged as a dual kit and the headset-to-headset pairing has been done at the JMCorp factory prior to shipping.