bluetooth ELM327 is the newly developed wireless scan 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, KWP2000
  Supports SAE J1850
  Supports CAN bus
 

Functions:
  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)
  Display current sensor data, including:
  Engine RPM
  Calculated Load Value
  Coolant Temperature
  Fuel System Status
  Vehicle Speed
  Short Term Fuel Trim
  Long Term Fuel Trim
  Intake Manifold Pressure
  Timing Advance
  Intake Air Temperature
  Air Flow Rate
  Absolute Throttle Position
  Oxygen sensor voltages/associated short term fuel trims
  Fuel System status
  Fuel Pressure
  Many others...