Features 1. Wide Application: Replacement for Mercedes Benz A-Class W169, replacement for Mercedes B-Class W245, and other compatible models. 2. Bluetooth Protocol: Bluetooth 5.0 version, compatible with Bluetooth 2.0, 3.0, 4.0, and 5.0, offering stable wireless connectivity. 3. Audio Support: Supports MP3, WMA, WAV, FLAC, and other audio format decoding; supports DSD high-resolution audio transmission. 4. Music Playback: Connect your mobile phone to the Bluetooth module, select AUX as the audio source, and stream music from your device. 5. High Performance: Designed to match original specifications, made with durable materials for long-lasting use. Specification Item Type: Bluetooth AUX Cable Adapter Material: ABS Fitment: Compatible with Audio20, Audio50 APS, and Comand APS (NTG2 only) Fits A-W169, B-W245, C-W203, W209 CLK, M-W164, GL X164, R-W251 with Audio20, Audio50APS, or Comand APS Replacement for Mercedes A-Class W169 Replacement for Mercedes B-Class W245 Replacement for Mercedes C-Class W203 Replacement for Mercedes CLK-Class W209 Replacement for Mercedes GL-Class X164 Replacement for Mercedes M-Class W164 Replacement for Mercedes R-Class W251 Replacement for Mercedes S-Class W221 Replacement for Mercedes SL-Class R230 Replacement for Mercedes CL-Class 20042006 Package List 1 x Bluetooth AUX Cable Adapter