Specification: Material: Plastic Cable length: about 12 cm Power supply via USB port of the cigarette lighter (5V DC, 25-50mA) Bluetooth range: 10m Compatibility: Suitable for Audi with AMI (Audi Music Interface) and MMi 2G - recognizable by: * No SD card or SIM card connection in the glove compartment * Monitor with color screen (not black/red, monochrome) * Navigation computer in the trunk Car models: * Audi A4 8K (all models with MMi 2G High, except A4 B8-2013) * Audi A5 8T (all models with MMi 2G High) * Audi A6 4F (all models with MMi 2G High) * Audi A8 4E (all models with MMi 2G High) * Audi Q7 7L (all models with MMi 2G High) Features: 1. Wireless music transfer with all Bluetooth-enabled mobile devices (iPhone / iPod / iPad / Smartphones, etc.) 2. Charging function via USB Service: 1. Control directly via smartphone / iPod / iPad 2. Switch between USB (red LED) and Bluetooth (blue LED) with the button on the adapter cable Installation: 1. AMI (Audi Music Interface) or MDI