Features : and high quality Made of high quality material, durableand practical to use Bluetooth music adapter, plug and play Top sound quality, bluetooth connection, only when the ignition is switched on Allows you to stream your music to the car radio via the Bluetooth feature of the phone / smart phone. No functional restrictions of the car radio. Allows connection of an external audio source. Bluetooth 5.0 version, and compatible with 2.0 3.0 4.0 other versions of Bluetooth Microphone facilitates conversation during driving and improves driving safety Specification: Bluetooth Name: JieRui-BT 5908 Bluetooth Version: 5.0 Voltage: 5-12V Microphone Cable Length: 1.5 Meters(Approx.) Fitment: For RCD-210/310, For RNS-310/315/510 For Concert/For Chorus/For Symphony 2+/3, BNS 5.0 For Skoda: For Beat, For Cruise, For Swing until 2014 (Your car needs the MEDIA button to use) Package Contents: 1 x Bluetooth Cable Adapter 1 x Microphone Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.