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.<br> 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.<br> 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<br> 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)<br> 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<br> Software:<br> 1. .net<br> 2. Mode 22 Scan Tool by<br> 3. OBD Gauge for PalmOS and Pocket PC by<br> 4. OBD Logger by Jonathan Senkerik<br> 5. OBD-II ScanMaster by Wladimir Gurskij (ScanMaster 3.52 - local copy)<br> 6. obd2crazy.com<br> 7. OBD2 by Ivan Andrewjeski<br> 8. OBDII for ELM322 by David Huffman<br> 9. pyOBD by Donour Sizemore for MacOSX and Linux<br> 10. RDDTC by Pete Calinski<br> 11. Real Scan by Brent<br> 12. ScanTest for Pocket PC by Ivan Ganev aka a-ser<br> 13. OBD by WDT<br> V2.1 Mini Bluetooth OBD Car Diagnostic Scanner Functions:<br> Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).<br> Clear trouble codes and turn off the MIL ("Check Engine" light)<br> Display current sensor data, including:<br> Engine RPM<br> Calculated Load Value<br> Coolant Temperature<br> Fuel System Status<br> Vehicle Speed<br> Short Term Fuel Trim<br> Long Term Fuel Trim<br> Intake Manifold Pressure<br> Timing Advance<br> Intake Air Temperature<br> Air Flow Rate<br> Absolute Throttle Position<br> Oxygen sensor voltages/associated short term fuel trims<br> Fuel System status<br> Fuel Pressure<br> Many others<br> Colour: Black<br> Material: PC + metal<br> Package Including:<br> 1pc * 327 OBD Mini Bluetooth V2.1<br> 1pc * CD Drive<br> Only the above package content, other products are not included.<br> 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.