The Adapters listed below have been tested and are compatible with the ChkOBD app. Our Android App supports switching from BLE to Bluetooth Classic. Please go to the Setting Menu to change the communication and follow the instructions on the screen.

Picture Brand/Model Details Android Bluetooth Apple iOS
Classic BLE BLE
micromechanic dongle smMicroMechanic Dongle

The MicroMechanic is a bluetooth adapter.

CaristaCarista OBD2 Bluetooth Adapter

Carista OBD2 Bluetooth Adapter

OBD Link MX+OBD Link MX+

OBDLink MX+ OBD2 Bluetooth Scanner for iPhone, Android, and Windows


Mestart OBDII OBD2 Bluetooth Car Diagnostic Scan Tool Auto OBD Scanner for Android Devices


Veepeak OBDCheck BLE+ Bluetooth 4.0 OBD2 Scanner for iOS & Android, Car Diagnostic Code Reader Scan Tool for Universal OBDII/EOBD Vehicles

NOTE – The Bluetooth types require two types of configurations:
Bluetooth Classic requires a “pairing” in the setting up the system, while Bluetooth BLE (Bluetooth Low Energy) does not require, as it automatically configures and pairs devices.