GROM Audio MAZB3 for Select Mazda 02-08 Bluetooth Adapter; Auxiliary Android iPod Capable 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 OPTIONAL (SOLD SEPARATELY): iPod/iPhone/iPad Integration Cable Connect, play and charge iPod/iPhone/iPad Control with car stereo, steering wheel or iPod OPTIONAL (sold separately) AUX-IN cable : Add 5FT 3.5mm audio AUX cable for direct audio connection. The cable has 5V USB charging connector that will charge most of the Smarphones, including iPhone and Samsung. NOTE: USB port on the auxiliary cable C-35USB is for charging only, it will not let you to play the music directly from USB stick or Android phone. If you want to play the music from USB stick or integrate Android phone - please consider GROM USB MP3 Ki Please see compaibility list in Product description! For help with installation please watch "GROM Audio" video channel at YouTube.com.