AMI MDI to Bluetooth Music Adapter Audio Aux USB Cable For Mercedes-Benz MA 2008This cable works with Mercedes-Benz all models from with AMI interfaces.( It usually in the armrest box or the co-pilot storage box.Please confirm if there is a corresponding socket in your car, not every one has a socket)Not supports HFP AVRCP, not supports hands free phone callWireless Bluetooth music adapterCan be used to connect your smart phone with car audioSimply plug into your cars existing iPod/Media socketPlug and Play, no installation requiredBluetooth Function (Blue led indicator mode):1. Bluetooth A2DP music streaming to Mercedes-Benz MMI system2. Supports pairing with two bluetooth device to play music3. Pair your Smartphone,pad,etc with the bluetooth module and choose AUX in Audio selection.4. You can only track up and down from Phone or Pad, not from car.USB function (Red led indicator mode):1. Play USB flash musics via Mercedes-Benz MMI system2. Displays song info and control tracks via MMI system3. Charge smart phone via USB connectionBluetooth Version:Bluetooth v4.0Working Range:10mmit Frequency:2.4-48 GHzWorking Voltage:5VWorking Current:25-50mACompatible with:Fit for Mercedes-BenzWarm Tips: Please make sure if your car has this interface before buying; if there is no interface, please do not buy itColour:BlackMaterial:PVC+CopperSize:39.5x4.5cmPackage Contents:1 * Wireless Bluetooth Music Adapter for Mercedes-BenzOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.