V. DialogueF1 is a new practical tool for vehicle diagnosis developed by I-Chin Motor Technology Co., Ltd. It communicates with the smart phone via Bluetooth, supports the vehicle OBDII//EOBD protocol, reads the data through the software of smart phone .--Function--(1) Self-defined valve control mode (parameters can be customized).(2) Display VIN and brand.(3) Detect vehicle problems and display the corresponding DTC.(4) Display Real-time data of vehicle.(5) Racing mode (0-100 kilometers, 0-400 meters).(6) Calculate the fuel consumption ratio when driving on high altitude, low altitude, general road, traffic jam section and other atmospheric conditions.(7) Smoothly and user-friendly User Interface.This software must be used with the hardware of V.Dialogue-BLE manufactured by I.C.M. to operate its full functions.