The Elm327 Bluetooth is the newly bluetooth obd2 interfacethe developed wireless.
It supports all OBD-II protocols

Price : $20 Wholesales : $17.5

Elm327 Bluetooth Features

Software included for Palm, PDA, Windows PC, Windows Smartphone
Freeze Frame data
Works with all OBD-II compliant vehicles
Data graphing and logging
Works on almost any car from 1996 to present!
Continuous and Non-Continuous Oxygen Sensor test results
Wireless (Bluetooth)
Supports CAN bus
Protocols: SO15765-4 (CAN),ISO14230-4 (KWP2000),ISO9141-2,J1850 VPW,J1850 PWM

Elm327 Bluetooth Function

Timing Advance
Fuel System Status
Short Term Fuel Trim
Display current sensor data, including:
Fuel System status
Absolute Throttle Position
Clear trouble codes and turn off the MIL ("Check Engine" light)
Fuel Pressure
Air Flow Rate
Oxygen sensor voltages/associated short term fuel trims
Engine RPM
Coolant Temperature
Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).
Long Term Fuel Trim
Intake Manifold Pressure
Intake Air Temperature
Vehicle Speed
Calculated Load Value

Elm327 Bluetooth compatible vehicles

Ford, Chevrolet, Chrysler, Acura, BMW, Buick, Cadillac, Daewoo, Dodge, Fiat, GMC, Honda, Hyundai, Infinity, Isuzu, Jaguar, Jeep, Kia, Land Rover, Lexus, Mazda, Mercedes-Benz, Mercury, Mini, Mitsubishi, Nissan, Oldsmobile, Peugeot, Pontiac, Porsche, Renault, Saab, Saturn, Seat, Skoda, Smart, Suzuki, Toyota, Volkswagen, Audi, Volvo, and many others.

For a complete list of tested vehicles, click on the link below.
Compatible Vehicles List
**Note: If your vehicle is not on this list it does not mean that the scanner will not work for you. This is only a list of tested vehicles.

Elm327 Bluetooth Available Software

This tool comes with some software, but many other software titles can be downloade for free.
RDDTC by Pete Calinski
ScanTest for Pocket PC by Ivan Ganev aka a-ser
GM Mode 22 Scan Tool by Terry
OBD Logger by Jonathan Senkerik
OBD Gauge for PalmOS and Pocket PC by Dana Peters
OBDII for ELM322 by David Huffman
OBD2 Scantool by Ivan Andrewjeski
Real Scan by Brent Harris
pyOBD by Donour Sizemore for MacOSX and Linux
OBD-II ScanMaster by Wladimir Gurskij (ScanMaster 3.52 - local copy)
You can download most of Software here :Elm327 bluetooth software Download Free