Battery & Bluetooth Chip for FreedConn BM2-S BM12 Motorcycle Bluetooth Helmet (Battery & Bluetooth Chip) auspowers_batchone Input voltage is 5V

Input voltage is 5V

self-locking rings attach to a shaft by using friction from means such as teeth and notches to maintain placement

The paper is made from cotton cellulose

Package: 1 x 4mm Flange Shaft Coupling

High "wet grab" or tack of PC-11 makes overhead and sidewall work easy without drip or sag

Battery & Bluetooth Chip for FreedConn BM2-S BM12 Motorcycle Bluetooth Helmet (Battery & Bluetooth Chip) auspowers_batchone Input voltage is 5VBattery & Bluetooth Chip for FreedConn BM2 S BM12 Motorcycle Bluetooth Helmet (Battery & Bluetooth Chip) IMPORTANT REMIND To preserve battery life, it will enter deep sleep mode for long time no charge. Thus we suggest you to charge it regularly, at least 1 time a month, especially when you don't use it in winter. On this condition, Bluetooth mode may not available. To wake it up, please try to charge it with 6~12 volt charger for half an hour. If