Features: 1.Fitment: Bluetooth stereo radio AUX cable is a perfect replacement for A B C CLK GL M R Class W169 W245 W203 W209 W164, etc. 2.Bluetooth Version: The wireless bluetooth AUX cable supports Bluetooth 5.0 system, and is compatible with other versions 2.0 3.0 4.0 Bluetooth system. 3.Function: Pair your bluetooth enabled phone or tablet with the bluetooth module, and you can stream from your smartphone to your car stereo. 4.Good Sound Quality: Connect the car audio through the wiring harness, no interference, no loss of sound quality, giving you a pleasant using experience. 5.ABS Material: Bluetooth stereo aux adapter is made of premium ABS material, high temperature resistant, antiaging, wearproof, sturdy and durable, long service life. Specification: Item Type: Car Bluetooth Module Material: ABS + Metal Bluetooth Version: 5.0, compatible with other versions 2.0 3.0 4.0 Bluetooth system Connector: 16pin port Fitment: Fit for Audio 20, for Audio 50 APS, for Comand APS (only NTG2) Replacement for W169 A Class Replacement for W245 B Class Replacement for W203 C Class Replacement for W209 CLK Class Replacement for GL Class X164 Replacement for W164 M Class Replacement for W251 R Class Replacement for W221 S Class Replacement for R230 SL Class Replacement for CL Class 2004-2006 Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.