Car Bluetooth-compatible 5.0 AUX Cable Hands-free Microphone Wireless Radio Adapter for-Audi A4 B7 TTs TT A8 R8 A3 RadioOOTDTY  Features: Using Jerry's Bluetooth-compatible master chip, Bluetooth-compatible 5.0 version, high-speed transmission without distortion, and the sound quality can reach high-definition standards. The car Bluetooth-compatible music player has the function of wireless music transmission, various online APPs are quite convenient, and the source is updated in time. This product is aimed at different brands of models, and is equipped with different connectors and plugs according to the reserved interface behind the original car host. The product uses a wide range of voltage input to adapt to different use environments. Allows you to connect an external source. It is possible from your smartphone to your car stereo to stream. Pair your phone with our bluetooth-compatible module,and choose Aux from your radio. You can enjoy music from your phone through car speakers.Specification: Material:ABSMicphone Length: Approx.150cm/59.05inchesBluetooth-compatible version: 5.0 (and compatible with the following versions)Product voltage: 5-12VProduct line length: 27CMCompatible with -Audi A4 B7 TTs TT A8 R8 A3Package Includes: 1 Set Adapternote: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thanks for your understandings.