Harley-Davidson Pan America 1250ADVOur motorcycle stereo is developed by a professional team of motorcycle audio developers. It supports Bluetooth connection, Bluetooth name is EIFFEL One or EIFFELTOM_TWO, and can play U disk songs, AUX input. There are four EQ modes: Pop, Heavy Bass, Loud Volume, and Original Sound. If your motorcycle supports multimedia functions, you can also connect it via Bluetooth or AUX. The speaker unit used in our audio is a 2. 75 inch Powerful unit, combined