Skip to content
Mini ELM327 Bluetooth v2.1 with a clear blue housing

Bluetooth adapter · Mini size

Mini ELM327 Bluetooth v2.1

Mini-size ELM327 Bluetooth, version v2.1: reads and clears engine fault codes and shows basic live data on an Android phone or a PC.

  • Bluetooth
  • Android · Windows
  • No iPhone
  • v2.1

€8.60 VAT included · Satkit price checked on 7 October 2026

Where to buyfrom €8.60

Prices incl. VAT checked on 7 October 2026; they may change.

  • Mini sizeCompact 16-pin housing
  • PIC18F25K80 chipSame as the v1.5, despite reporting v2.1

Specifications

Connection
Classic Bluetooth
Chip
PIC18F25K80
Firmware
Clone reporting v2.1
Works with
Android and Windows (not iPhone)
Plug
16-pin OBD2 J1962
Functions
Fault codes, live data, engine load and 0-100 km/h timer
Size
48 × 25 × 32 mm
Includes
Software CD

Why this adapter

An ELM327 Bluetooth in a mini housing. It reads and clears fault codes and shows data such as coolant temperature, intake pressure or ignition timing.

It reports itself as v2.1, but it has the same chip as the ELM327 Bluetooth v1.5 (explained below).

v2.1 with a PIC18F25K80 chip?

This adapter uses the same PIC18F25K80 microcontroller as Satkit's ELM327 v1.5 adapters. "v2.1" is just the number the firmware reports when an app asks for it (the ATI command), not the chip: a clone can report any version it likes. Inside, it is the same chip as the v1.5. To see which commands it really answers, test it with an app such as ELM327 Identifier (Android).

iPhone users

It is classic Bluetooth: it will not work with an iPhone or iPad. For iPhone, get a Wi-Fi adapter instead.

Related guide

Buying guide · Basics · 9 min read

What an ELM327 is, its versions and which to buy

The small adapter that turns your phone into a fault-code reader. What is behind the name, why almost all of them are clones and which one suits you.

Practical guide · Apps · 12 min read

ELM327 software: which apps exist and how to use them

The adapter does nothing on its own: what you see on screen depends on the app. Which ones exist for each system, what they cost, which adapter they work with and how to do the most common jobs step by step.

Similar products

To get started
Black ELM327 Bluetooth v1.5 adapter with an orange label and a 16-pin OBD2 plug

Bluetooth adapter · To get started

ELM327 Bluetooth OBD2 v1.5

Bluetooth OBD2 adapter to read and clear fault codes and see live engine data on an Android phone or a PC.

  • Bluetooth
  • Android · Windows
  • No iPhone
from€8.60
Basic
Black HH OBD Advanced ELM327 Bluetooth seen from the front, with Power, OBD and PC lights

Bluetooth adapter · Basic

ELM327 Bluetooth v2.1 HH

The simplest ELM327 Bluetooth v2.1, with status lights: reads and clears engine fault codes on Android or Windows, but does not work with every car.

  • Bluetooth
  • Android · Windows
  • No iPhone
  • v2.1
from€7.37
Konnwei brand
Black and red Konnwei KW903 adapter seen from the front, with its power button and three lights

Bluetooth adapter · Konnwei brand

Konnwei KW903 Bluetooth

Konnwei Bluetooth OBD2 adapter for Android and Windows, with all five OBD2 protocols and automatic power-off when idle.

  • ✓ 5 OBD2 protocols
  • Bluetooth
  • Android · Windows
  • No iPhone
from€14.76