Steps for usage: Insert the product directly into the car OBD interface and connect to the mobile app: TORQUE; There is a CD inside the package. There is an app to download in the CD: TORQUE; Top 5 Reasons to Get V2.1 Mini Bluetooth OBD : 1.This is a vehicle diagnostic tool interface scanner, which is is used to read trouble codes, clear trouble codes and detect fuel pressure and so on. 2.OBDII Software for is a free program that allows you to use your PC and a hardware interface to get the information from your car's computer. 3.The program is very user-friendly, and easy to learn. It is also very easy to install: simply extract the files into a folder on your computer's hard drive, and you're ready to go. 4. To uninstall the program, simply delete the entire contents of the folder where the program resides. 5.The software supports four platforms - For DOS/Windows/Android. This product is a non-, generic product. Notice: This device can't work with IOS system. Mini Bluetooth is the newly developed wireless scan tool. It supports all OBD-II protocols: Works with all OBD-II compliant vehicles; Wireless (Bluetooth); Software included for Palm, PDA; Software included for Windows PC; Software included for Windows Smartphone; Supports ISO 9141, KWP2000 Supports SAE J1850;Supports CAN bus; V2.1 Mini Bluetooth OBD Car Diagnostic Scanner; Specification:Support OBD-II protocols as follows: * ISO15765-4 (CAN) * ISO14230-4 (KWP2000) * ISO9141-2 * J1850 VPW * J1850 PWM; SAE J1850 PWM (41.6 kbaud); SAE J1850 VPW (10.4 kbaud); ISO 9141-2 (5 baud init, 10.4 kbaud); ISO 14230-4 KWP (5 baud init, 10.4 kbaud); ISO 14230-4 KWP (fast init, 10.4 kbaud); ISO 15765-4 CAN (11 bit ID, 500 kbaud) ISO 15765-4 CAN (29 bit ID, 500 kbaud); ISO 15765-4 CAN (11 bit ID, 250 kbaud); ISO 15765-4 CAN (29 bit ID, 250 kbaud); Device type: Car bluetoo read interface scanner; Interface type: Auto V1.5 interface; V2.1 Mini Bluetooth OBD Car Diagnostic Scanner Free Software: 1. .net 2. Mode 22 Scan Tool by 3. OBD Gauge for PalmOS and Pocket PC by 4. OBD Logger by Jonathan Senkerik 5. OBD-II ScanMaster by Wladimir Gurskij (ScanMaster 3.52 - local copy) 6. obd2crazy.com 7. OBD2 by Ivan Andrewjeski 8. OBDII for ELM322 by David Huffman 9. pyOBD by Donour Sizemore for MacOSX and Linux 10. RDDTC by Pete Calinski 11. Real Scan by Brent 12. ScanTest for Pocket PC by Ivan Ganev aka a-ser 13. OBD by WDT V2.1 Mini Bluetooth OBD Car Diagnostic Scanner Functions: Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database). Clear trouble codes and turn off the MIL ("Check Engine" light) Display current sensor data, including: Engine RPM Calculated Load Value Coolant Temperature Fuel System Status Vehicle Speed Short Term Fuel Trim Long Term Fuel Trim Intake Manifold Pressure Timing Advance Intake Air Temperature Air Flow Rate Absolute Throttle Position Oxygen sensor voltages/associated short term fuel trims Fuel System status Fuel Pressure Many others Colour: Black Material: PC + metal Package Including: 1pc * 327 OBD Mini Bluetooth V2.1 1pc * CD Drive Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.