Steps for usage: Insert the product directly into the car OBD interface and connect to the mobile app: ; There is a CD inside the package. There is an app to download in the CD: ; Top 5 Reasons to V2.1 Mini Bluetooth OBD : 1.This is a vehicle diagnostic tool interface scanner, which is is used to read codes, clear codes and detect fuel pressure and so on.2. Software for is a free that allows you to use your PC and a hardware interface to the information from your car's computer. 3.The is very -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 to go. 4. To uninstall the , simply delete the entire contents of the folder where the resides.5.The software supports four platforms - For /Windows/Android. This product is a non-, . Notice: This device can't work with IOS system. Mini Bluetooth is the newly developed wireless 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, KWP2000Supports 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; J1850 PWM (41.6 kbaud); J1850 VPW (10.4 kbaud); ISO 9141-2 (5 init, 10.4 kbaud); ISO 14230-4 KWP (5 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 FreeSoftware:1. .net2. Mode 22 Tool by 3. OBD Gauge for PalmOS and Pocket PC by 4. OBD by Jonathan Senkerik5. OBD-II ScanMaster by Wladimir Gurskij (ScanMaster 3.52 - local copy)6. obd2crazy.7. OBD2 by Ivan Andrewjeski8. for ELM322 by David Huffman9. pyOBD by Donour Sizemore for MacOSX and Linux10. RDDTC by Pete Calinski11. Real by 12. ScanTest for Pocket PC by Ivan Ganev a-ser13. OBD by WDTV2.1 Mini Bluetooth OBD Car Diagnostic Scanner Functions:Read diagnostic codes, both generic and manufacturer-, and display their meaning (over 3000 generic code definitions in the database).Clear codes and turn off the ("Check Engine" light)Display current sensor data, including:Engine RPM Load ValueCoolant TemperatureFuel System StatusVehicle SpeedShort Term Fuel Long Term Fuel Manifold PressureTiming Advance Air TemperatureAir RateAbsolute Throttle PositionOxygen sensor voltages/ short term fuel trimsFuel System statusFuel PressureMany othersColour: BlackMaterial: PC + metalPackage Including:1pc * OBD Mini Bluetooth V2.11pc * CD DriveOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.