X-ELM's Bluetooth OBD hardware is suitable for all models that comply with the OBD standard. The user can install the APP software on the mobile phone, wirelessly communicate with the X-ELM hardware device through Bluetooth, accurately read the fault information of the vehicle, provide functions such as clearing the fault code, and conveniently and quickly obtain the vehicle condition information (such as: Vehicle speed, water temperature,Engine Speed, fuel consumption, etc., displayed on the mobile app via text and graphics.