XTOOL Original Iobd2 Mini Bluetooth 4.0 Interface OBDII Code Reader Works on Android and iOS for iPhone,for Freeze Frame Data,Live Data,DTC etc. Elm327 Functions Diagnostic function:Reads DTCs,Clear DTCs,Live Data,Freeze Frame Data My Dashboard:[Cruise mode] Accelerate/Decelerate test: when the first time connect with your phone via bluetooth 4.0, it must setting bluetooth 4.0 to you iobd mini adapter Support all OBD II Gasoline Cars after 1996 years