Touratech - Dual USB Plug-n-Play Socket - BMW MotorcyclesLet's be honest: Do you really use the DIN socket on your BMW? Simply replace it with the much more useful double USB socket! Charge your smartphone, camera, GPS, etc. without adapter while driving! Input voltage: 10 to 40 V Output voltage (USB ports): 5 V + 5% Output over voltage, overheating and short circuit protection Fully CanBus compatible Total 3. 3 Amp output, with current limiters per port (master port 1: 2. 3 A Aux port 2: 1. 0 A)