1. Activate by OBD2 Plug and Play, Easy to use.2. Connect mobile phone with car only via cable.3. Support Carplay and Androidauto.(android auto only support car firmware version from 2016.9)4. for Mercedes NTG5.1 via OBD2Compatible models(COMAND NTG5s1)for:A-Class W176 Date of manufacture 12.2015+B-Class W246 Date of manufacture 12.2015+E-Class W213 Date of manufacture 01.2016+CLA-Class W117 Date of manufacture 12.2015+GLA-Class W156 Date of manufacture 12.2015+GLE-Class W166 Date of manufacture 01.2016+GLE Coupe W292 Date of manufacture 01.2016+GLE-Class X166 Date of manufacture 01.2016+CLS-Class W218 Date of manufacture 01.2016+C/GLC/S Series NTG5.0 and NTG5E are not support Material:ABScolour:bluePackage Contents:1 x OBD activation toolsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.