AW: The device has two USB ports, which do not reach full redundancy on the function side. Here is an overview of the data and functions supported by USB1 and USB2.
USB1: SmartLink Direct / Apple MFi (Made for iPod) / USB Media playback / devices software updates / 1A quick charge feature (Smartphone with IC 2546 = 1A)
USB2: SmartLink Direct / Apple MFi (Made for iPod) / USB Media playback / devices software updates / 1A quick charge feature (Smartphone with IC 2546 = 1A)