1. Performance
Version 2.0 is with 5.8G HZ certification module, has higher adaptability for 98% of vehicle models.
3.0 is just the code name of a software update version. Currently, 2.0 and 3.0 are the same.
2. Appearance
Version 2.0 is with indicator light design, which 1.0 does not.
The cables and adapters of version 2.0 are detachable, while version 1.0 is integrated and undetachable.
