Direct Fit 3.5mm AUX Jack Interface Adapter Audio MP3 Input For Toyota Tundra Venza Yaris Solara RoHS Certificate Number: BSTDG13030385RR-4 / CE Certificate Number: BSTDG13030385EC-1 Built-in high quality MP3/WMA decoder--Gold Plated 3.5mm AUX Input Jack enhance High Digital Sound Quality --Can be plugged into the head-phone socket of laptop, MP3 player, mobile phone, tablet Direct audio feed from external device into your car radio as a direct aux input.---No signal interfere, No battery required---Smart Design, Plug & Play, Easy Installation Work with the following audio sources ( with 3.5mm AUX): MP3-Player, Portable DVD-Player, Mini Disk-Player, Notebook/Tablet, Mobile Phone, PSP ect. Package includes: 1x CD 3.5mm AUX adapter + 1x user manual. Perfectly connect 3.5mm AUX device with car audio. Connection via CD changer Port---Built-in power amplifier chip, static free CD quality clear audio sound