GROM Audio MBB3 for Mercedes Benz 94-98 Bluetooth Adapter; Hands Free Wireless Music Streaming car kit, aux Capable Plug and play installation. Control your media from car stereo or steering wheel buttons. Bluetooth Streaming and Handsfree Calls. In hands free mode: accept & reject phone calls, voice dial. Bluetooth Audio streams directly from your phone to the stereo. GROM-BT3 module has two extension ports that can be used for aux-in and HD Radio integration with OPTIONAL cables/dongles that are sold separately. OPTIONAL (SOLD SEPARATELY SKU 35USB): Add 5FT 3.5mm audio AUX cable for direct audio connection. For help with installation please watch "GROM Audio" video channel at YouTube