OBD Rayform vs 秀墨间 Usage & Stats

1.OBD Rayform is a car Bluetooth assisted self-test tool. 2.OBD Rayform obtains data information through Bluetooth. 3.OBD Rayform helps analyze and diagnose problems. 4.OBD Rayform does not provide maintenance service, if the problem is diagnosed, please go to the regular maintenance department for repair.