Xiaomi ROIDMI 3S car charger vs. ROIDMI 2S car charger: what's new?

Car chargers are very useful little gadgets — especially when they come with several smart extras. Both the Xiaomi ROIDMI 2S and the Xiaomi ROIDMI 3S are very nice car charger options: they both come with dual USB ports and music playing options. Of course, the newly coming ROIDMI 3S car charger also brings us something new on both design and functions.  

First, let's enjoy a video about the newly coming Xiaomi ROIDMI 3S Bluetooth car charger shot by GearBest.   

2 main updates on ROIDMI 3S

Let's first start with your most concerned part - the new features of the ROIDMI 3S.   

One of the main improvements with the ROIDMI 3S is in the charging itself: you have the 3.4A fast charging option. This means that you can charge one of your gadgets a tad faster with the ROIDMI 3S.

Then, you have the compatibility. The ROIDMI 3S promises to be compatible with all vehicles. That's a big update for our wide uses.

	Xiaomi ROIDMI 3S Bluetooth Music Car Charger - INTERNATIONAL VERSION BLACK
	$16.86 $13.99	(25)

	Original Xiaomi Roidmi 2S Bluetooth Car Charger - INTERNATIONAL VERSION BLACK
	$19.22 $14.99	(617)

Marked changes on design

When looking at the two ROIDMI car charger models, you will easily find they are different in appearance.

The ROIDMI 3S is slightly longer than the 2S. The 2S measures 2.2 x 1.02 x 1.02 inches and the 3S is measured at 2.56 x 1.02 x 1.02 inches. With that, the Xiaomi ROIDMI 3S is a bit lighter than Xiaomi ROIDMI 2S: 32 grams vs. 37 grams.  

Besides, to adapt to all cars, ROIDMI 3S comes with a more sleek shrapnel contact and two fitting brackets on the sides, which ensure it is compatible with different size of car cigarette lighters. 

Then, you have the not-so-welcome changes. Although both car chargers come with two USB ports on the top head, looking carefully, you will find that the ROIDMI 2S has a microphone - a small opening right near the USB ports, while there is no mic on the ROIDMI 3S - and this means that you will no longer be able to enjoy hands free calls with the charger.

On top of that, both devices feature a high-quality make-up: stainless steel and polycarbonate material. And both models are sleek and durable and should make a very nice visual addition to your vehicle.

ROIDMI car charger performance

In terms of performance, both ROIDMI car chargers come with a nice set of smart features. For example, you can use ROIDMI car chargers for up two gadgets charging, music playing and navigation broadcasting. With the convenient Bluetooth on board, you can keep a stable connection at all times and enjoy very impressive music quality.

Adopted high quality master control chip, both ROIDMI car chargers can be well-protected from potential damage: you get temperature protection, short-circuit protection and RESET protection.  

The different point is: with the ROIDMI 2S, you can receive calls without interrupting your driving. While the disadvantage of the 2S is that it is not adapted for all cars. Only the cigarette lighters with the circlip type is compatible with such charger. So do remember to check the structures of your car's cigarette lighters to confirm if it is applicable to ROIDMI 2S before buying.

While with ROIDMI 3S, you get full compatibility with all car models and all sizes of cigarette lighters, as well as the 3.4A(Max) fast charging across the two USB ports. Likewise, the ROIDMI 3S has its defect: not support hands-free calls. So you may feel not so convenient to make or receive phone calls while driving.

Plus, the ROIDMI car charger is compatible with both iOS and Android devices. And you can get the cool app to help further the device's functionality:

● Set the broadcasting radio station.

● Change the LED color (red/green/cyan/blues).

● Configure your default music app such as Spotify.

● Set your phone to automatically start music or an app when connected (like Android auto).

●​ Update the Roidmi 3S' firmware.

Now, let's make a summary on the main features of ROIDMI 2S and ROIDMI 3S.  

Product item	Xiaomi ROIDMI 2S car charger	Xiaomi ROIDMI 3S car charger
Bottom structure
Microphone	Yes	No
Hands-free call	Yes	No
Fast charging	No	Yes
Compatible cars	Only applicable for circlip type cigarette lighters.	All cars
Price	$15.59	$14.99

The verdict

The ROIDMI 3S does come with a few notable improvements. Namely, the extended compatibility and faster charging. So, you can easily charge your gadgets whilst playing cool tunes. On the other hand, it is missing a microphone — available in the earlier model, the 2S.

The price difference between the two models is not a big deal: it's $0.6. Even though, if you consider how inexpensive the gadgets actually are, this is relatively substantial. You can get the Xiaomi ROIDMI 2S for $15.59 and the Xiaomi ROIDMI 3S for $14.99.

You may be willing to pay the difference — or you may not. If you are looking for an all-compatible car charger with fast charging option and the one you can easily lend to a friend with a different car model, go with the 3S. However, if you will be missing that microphone — the 2S is a clear choice.