GROM VOLXCO4 Android iPhone USB Kit for Select Volvo Aston Martin XC 90, Bluetooth, AUX Optional USB port accepting any USB stick/drive MP3, M4A, OGG, FLAC, AAC, WAV music supported Supports FAT, FAT16/32 up to 500GB Control from car stereo or steering wheel Connect, play and charge Android device. Control with car stereo or steering wheel USB audio streaming for select phones Manage your tunes with free app Connect, play and charge iOS Control with car stereo or steering wheel OPTIONAL: GROM Bluetooth Dongle (SKU: BTD); AUX-In 3.5mm and 5V USB charging cable (SKU: 35USB); HD Radio tuner (SKU:HDR1) ATTENTION: Please see compatible cars in Product Description. For help with installation please watch "GROM Audio" video channel at YouTube.com.