GROM VOL01U3 for Select Volvo Cars USB3 Android iPhone; Bluetooth AUX HD Radio Capable Adapter Connects your USB 2.0 device such as flash drive, external hard drive or mass storage device to the stock stereo in your car. You can control the playback through your car stereo or steering wheel controls. Connect your iOS device to the factory car stereo via USB port. Play music, control from car stereo or steering wheel, and charge at the same time. Control with car stereo or steering wheel buttons. Manage your tunes with free Dashlinq Android App OPTIONAL: GROM Bluetooth Dongle (SKU: BTD); AUX-In 3.5mm and 5V USB charging cable (SKU: 35USB); HD Radio tuner (SKU:HDR1) Please see compaibility list in Product description! For help with installation please watch "GROM Audio" video channel at YouTube.com.