Pack of 10 bulbs, frosted surface lamp cover, 360° smooth lighting, super penetration rate and refractive rate projector lens, built in 2-SMD 2835-chip. | Lighting color: ice blue, voltage:12V DC (9-16V DC), long lifespan, more stable, no flickering, no radiation, standard size as halogen bulb, easy to install, plug and play. 1 year warranty. | Never melt lamp body, it use 95 level ultra-high temperature resistance and corrosion-resistant ceramics, appearance smooth, never fade, exquisite design, better heat dissipation performance. | Fits: BA9, BA9S, 53, 57, 357, 1895, 64111. etc. | Application: car license plate lights ,side door courtesy lights, interior map lights or dome lights or parking city lights etc.

Double compare the adapter interface with your car original port mount,when the function is not working, please try to restart your cell phone, that will help | Plug the adapter into the media interface port in your car and pair it with your Android, iPhone, iPad or iPod touch via Bluetooth | For bluetooth mode, you could only change songs from the smartphone, can not control over music from the iDrive system , the playlist will not be displayed on the car screen | For USB mode, you could charge your device, or use the USB function to listen music (listen music: the Disk must be FAT32 format and *.mp3 file , notice that few MMI system don't support USB function) | Compatibility: Mercedes A (Not A4) /B/C/E/S/GL/ML/SL/CLS/SLK Class (From 2009 ~ Onwards)