describe: Easy to use: Plug the device into your car's OBD2 port and start the engine. Enable Bluetooth on your Android smartphone, tablet, or computer. A smartphone with the corresponding application is then connected to the diagnostic device via Bluetooth. Universal Diagnostic Device: This diagnostic device is compatible with all vehicles with a 16-pin OBD2 interface. You have to download compatible apps from Playstore. Your computer comes with a driver CD. Multifunctional Diagnosis: This OBD2 diagnostic tool can detect engine speed, coolant temperature, fuel system status, intake air temperature, fuel system condition, vehicle speed, fuel pressure, short-term fuel command, etc. The device can also read and delete errors. Wireless Connection] This Bluetooth OBD2 diagnostic device connects to your vehicle's OBD2 port and wirelessly transmits data to your Android or Windows device via Bluetooth connection. Compatible apps: Aload Terminal, Torque (Lite), ScanMaster (Lite), EOBD Facile, VGA Erase DTCA 2, OBD Car Doctor Free, Android Scanner, Efficiency, VAG DTC Fault Memory Erase, OBD2-ELM327 Car Diagnostics, OBD Dashboard, ScanMyOpel Lite, OBDLink, hobDrive Demo, EcoShifter OBD2 Auto, BMWhat Lite Note: Not suitable for vans/trucks Package Contents: 1x OBD-2 diagnostic device