Product Details: For 2S is a Bluetooth product , form your for , Android device, or PC into a professional-grade diagnostic scan tool. The Pro 2S Bluetooth OBD-II adapter can access all legal OBD-II protocols. Connect to the vehicle diagnostic seat through a plug, install client software and diagnostic software to diagnose car faults. For example, reading non-specific and manufacturer-specific fault codes, reading real-time ECU sensor data (engine speed, system status, pressure, oxygen sensor voltage and many other readable parameters on the vehicle) and more! Over-voltage, over-temperature, over-current protection. Fast Bluetooth OBD-II adapter (baudrate: 3Mbps). Free firmware updates. BatterySaver technology - low power mode. Automatic sleep & Wake up wirelessly. Up To 208 groups pass, block, and flow control filters. Superior compatibility - works with more 3rd party apps & software than any other adapter. Automatic wake-up function: The Pro 2S has added the automatic wake-up function of electric vehicles to the Pro, providing customers with more choices! Fully compatible with all OBD2 protocols and commands, with auto sleep/wake function. It operates at 34 mA and automatically sleeps in idle state at as low as 3 mA, protecting the life of the car's battery. The "Auto Wake-Up Function" can also support vehicle type: Hybrid / Pure Electric Vehicle. Sinple to use and easy to carry: This pocket-sized adapter 't obstruct the driver's legroom and features unrivalled performance, smart sleep modes, and excellent app support. 2S connection steps (Taking Car Scanner APP as an example) Android system: After opening the Bluetooth, search the product Bluetooth device name "Android-", enter the pairing code "1234" to pair successfully, then you can enter the app to set up the connection. iOS system: After opening the Bluetooth, there is no need to pair the product Bluetooth