The best unit I reckon is the Carlinkit 5.0 2air - Where can you get it?
Aliexpress (worldwide shipping!) https://s.click.aliexpress.com/e/_DFN...
Amazon https://amzn.to/3w0AsMc

The rest...
EKIY wireless carplay adapter (Aliexpress) https://s.click.aliexpress.com/e/_DkG...
Ottocast U2Air Pro https://amzn.to/3U9wyIU

The Carlinkit 5.0 2air is the best wireless carplay and android auto adapter that I've tested. The first two I tested would not connect to the car unless you unplug and replug them in every time, which is just frustrating and unnecessary - you might as well just plug your car into the wired connection and be done with wireless. This is probably just qa quirk for MG/MG4, but if you're having trouble connecting wirelessly using an adapter, maybe you need to be able to adjust many settings as the Carlinkit allows you to.

So the main reason why I believe the Carlinkit 5.0 2air is the best is because...

1) Huge amount of configuration options. You may not need them, but then again, you might. I couldn't get the other 2 working properly in the MG4, but the Carlinkit worked first time - after I changed the startup delay. This may also help other car models where you have to unplug and replug the adapter every time to get it to work.

2) Supports both Carplay and Android auto in one unit. Useful!

3) The price - it's cheap!

Now one thing I didn't emphasise enough in the video, is that your car must already support (wired) carplay / android auto for this to work. If your car just has a USB outlet, adding a wireless carplay adapter won't automatically give you this feature. These wireless adapters simple mean you can skip plugging your phone into USB for carplay or android auto.

This was tested on a 2023 MG4 Excite 51 with factory built in carplay and android auto. I haven't tested this adapter with an aftermarket stereo with wired carplay/android auto, however I believe there would be no difference in performance.

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