New FreedConn Motorcycle Intercom T-MAX S Bluetooth, 6-person simultaneous communication, IP65 waterproof and dustproof design It has a built-in 570mAh low-power consumption battery. It adopts a dustproof and rainproof shell, supports 6-person group intercom, and is a product for motorcycle riders, meeting the needs of daily riding and long-distance travel. Regarding the installation process, please read the installation manual or refer to the official FreedConn installation video. Alternatively, you can search the internet for installation instructions for FreedConn Bluetooth earphones.