- Mini ELM327 OBD2 OBDII Bluetooth V2.1 Torque Car Scanner Torque Auto Code Reader Scan Tool for Android Car Stereo Head Unit$17.99Model: ELM327 OBD2 Bluetooth Type: code readers & scan toolsOutput protocol: bluetoothVoltage: 12VCurrent: 45mAWave frequency: 38400HzApplicable... Learn More