THINKDIAG - The best bluetooth adaptor for car from thinkcardiagnosis. ThinkDiag, as an OBD2 diagnostic adapter that works with iOS or Android devices paired with exclusive ThinkDiag App gets Active Test, All System Diagnoses, along with 15 maintenance services, and other effective features in creating easy work to help you diagnose cost-effectively. Top Reasons for Pick ThinkDiag1. ECU Coding (Customize) to reflash vehicle control modules software 2. Actuation tests that allow you to test each system actuator 3. Full OBD II and EOBD functions for full system scans 4.15 Maintenance Functions 5. Support 115 vehicle brands 6. Remote diagnostics (technician side) 7. Vehicle owner community 8. Compatible with both Android / iOS handsets and tablets 9. Palm-sized, portable, and powerful Supported Languages English, French, German, Spanish, Portuguese, Italian, Japanese Russian. You Don't need to set the languages, it will be automatically changed with the language of your smartphone.