USB Port: The Kenwood KDC-258U features a front panel USB (type-A) port that is hidden behind a flip-up cover. The USB port enables connection and control of a portable USB mass-storage class (MSC) device; such as select Android smartphones (Froyo/Gingerbread OS only), portable digital audio players, or USB thumbdrives. The unit supports playback of MP3 (8-320 kbps), WMA (32-192 kbps), and WAV music files stored on a compatible USB memory device formatted with FAT12/16/32 file system. Your USB device should only have a maximum of 8 folder layers, 255 folders, and 255 files per folder - with a maximum of 65,025 files and folders. USB portable audio players that can be charged via USB will be charged when plugged into the CD receiver's USB port (max. 1A), and the vehicle's ignition switch is set to ACC or On.
