If you use Bluetooth 4.0 to Connected, please connect Bluetooth directly in the diagnostic APP How to connect Vgate iCar Pro:Vgate iCar Pro Features: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)Engine RPMCalculated Load ValueCoolant TemperatureFuel System StatusVehicle SpeedShort Term Fuel TrimLong Term Fuel TrimIntake Manifold PressureTiming AdvanceIntake Air TemperatureAir Flow RateAbsolute Throttle PositionOxygen sensor voltages/associated short term fuel trimsFuel System statusFuel PressureMany othershellipVgate iCar Pro Specification:Supply Voltage: 11.5V-15VSupply Current: Standby Current: Operating temperature: -40 ℃ - 85 ℃Operating Humidity: 5% - 95% RH Non-DewfallHardware version:V2.2Supported systems:Android/IOSConnection method:Bluetooth 3.0/4.0/WIFI 100% Original iCar Pro Connection Method:1.Bluetooth 3.0 for Android2.Bluetooth 4.0 for Android/IOS3.WIFI for Android/IOS Vgate iCar Pro OBD II adpater is a High-quality automotive scanning tool, Supports all OBD-II protocols:SAE J1850 PWM (41.6 Kbaud) SAE J1850 VPW (10.4 Kbaud)ISO9141-2 (5 baud init, 10.4 Kbaud)ISO14230-4 KWP (5 baud init, 10.4 Kbaud)ISO14230-4 KWP (fast init, 10.4 Kbaud)ISO15765-4 CAN (11bit ID, 500 Kbaud)ISO15765-4 CAN (29bit ID, 500 Kbaud)ISO15765-4 CAN (11bit ID, 250 Kbaud)ISO15765-4 CAN (29bit ID, 250 Kbaud)SAE J1939 CAN (29bit ID, 250 * Kbaud)USER1 CAN (11 * bit ID, 125 * Kbaud)USER2 CAN (11 * bit ID, 50 * kbaud)* Default Settings (User Adjustable) 1 x Vgate iCar Pro OBDII1 x User manual