The dual USB charging adapter is simply inserted into the 12V cigarette lighter. This allows two external mobile devices to be easily and conveniently charged at the same time. The high charging current of a maximum of 2x3 amps with a maximum of 2x18 watts of power allows extremely fast charging. Overheating is prevented by the integrated electronics.

Benefits of the BMW dual USB charging adapter for type A at a glance:
Pulled out of box but never used