Feature 1100% brand new, quality assurance. 2Transmits audio from MP3 player, mobile phones or other music players. 3Support USB charging and 3.5mm mini plug Aux. 4Enough cable length, you can switch between mobile phone and other music player freely. 5Original standard design, easy to plug and play. Specifications: Material: Plastic, metal Cable length: Approx.150cm Interface type: 3.5mm Package weight: Approx.90g Application: Fit for Mercedes Benz C63 E200l CLS E S ML (with AMI interface) How to use: 1. Plug connect to your MMI interface 2.Plug 3.5mm connector to connect fit for iPod fit for iPhone fit for MP3 3. Select "Audio" 4. Select "AUX" 5.Play music 6.Charge fit for iPodfit foriPhone Package list: 1 * Aux USB Cable Notes: 1. Please confirm your car model to make sure there is a corresponding AMI interface, if there has no, then this AUX USB cable is not suitable. 2. AUX and USB charging can't be used at the same time.