Eliminate the adaptors!
This USB socket from Hornig can be mounted with cable ties on your handlebar, frame or with double-faced adhesive tape on any flat surface (not visible e.g. under the fairing or under the seat).
-Input 12V DC
-Output 5V DC 1000mA
-3 mA electric power consumption during continuous operation
-Waterproof Hornig USB-Socket Outlet 1.2m with cable
-2x cable ties
Hornig USB Socket Kit for BMW Motorcycles
Produced by Hornig of Germany