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Home > New Gear > Xiaomi Air 2S VS Air2 TWS: What are the Upgrades?
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Xiaomi Air 2S VS Air2 TWS: What are the Upgrades?

Xiaomi Air 2S VS Air2 TWS: What are the Upgrades?

By  Joe Horner 2020-04-03 34401 36

On April 3rd, Xiaomi Air 2S TWS (also known as Xiaomi Mi AirDots Pro 2s) was officially launched in China, with a price of 399RMB. So what's the difference between the latest Xiaomi Air 2S TWS and the previous generation of Xiaomi Air2 TWS? In this post, we’ll cover a full specifications and features comparison about Xiaomi Mi AirDots Pro 2s (Air 2s TWS) and Mi AirDots Pro 2 (Air2 TWS).

Xiaomi Air 2S VS Air2 TWS: Specifications

At first, let’s have a quick look at the specs and main features about Xiaomi Mi AirDots Pro 2s (Air 2s TWS) and Mi AirDots Pro 2 (Air2 TWS).


  Xiaomi Air 2S TWS Xiaomi Air 2 TWS
Weight 4.5g (per earbud)
Size 60x60x45mm (battery box)
Drive Unit 14.2mm dynamic
Bluetooth Bluetooth 5.0
Distance 10m
Battery Capacity Earbuds: 40mAh Earbuds: 40mAh
Charging box: 450mAh Charging box: 300mAh
Charging Time 1H
Music Time 5H (earbuds) 4H (earbuds)
24H (with charging case) 14H (with charging case)
Wireless Charging Supported Not Support
Sound Quality LHDC/SBC/AAC
Support Protocol BLE/HFP/HSP/A2DP/AVRCP
ENC Supported
Waterproof IPX5
Price about $65 $52.99



Xiaomi Air 2S VS Air2 TWS: Similarity

From the above comparison table, we can see that there are many similarities between Xiaomi Air 2s TWS and Xiaomi Air 2 TWS.


Same outlook design

In fact, the appearance of the Xiaomi Air 2s TWS and Xiaomi Air 2 TWS is exactly the same. they all use a semi-in-ear wearable structure to better fit the ear canal and give both ears a more comfortable and stable wearing experience. Single earbud only weights 4.5g, making them small and light to wear more easily and comfortably. So, it is almost impossible to tell which is the Air 2s and which is the Air 2 TWS from the design except by the model marked on the ear stem. Model TWSEJ05WM represents Xiaomi Air 2s, while model TWSEJ02JY represents Xiaomi Air 2 TWS.


Same audio quality

In fact, Xiaomi Air 2s TWS has not made much upgrade in terms of sound quality, which is similar to that of the previous generation Xiaomi AirDots Pro 2, and both adopt dual-microphone array environment noise cancellation (ENC) technology, which can effectively reduce the ambient noise during calls, even in a noisy environment, it can also ensure high-definition speech recognition and call quality.


Same connectivity

Xiaomi Air 2s TWS and Xiaomi Air 2 TWS all use Bluetooth 5.0 chip, which makes the transmission speed faster, more stable, and more compatible, resulting in high-quality sound transmission and clear call experience.


There are so many similarities between Xiaomi Air 2s TWS and Xiaomi Air 2 TWS, so what are the upgrades between them? Is Xiaomi Air 2s TWS worth buying?

Xiaomi Air 2S VS Air2 TWS: Differences

The biggest upgrade point of this Xiaomi Air 2S TWS (Mi AirDots Pro 2s) lies in battery life and delay.


Different battery life

When Xiaomi Air 2s is used with the charging box, the battery life can be up to 24 hours, and the battery life of headphones is 5 hours at a time. At the same time, the charging box is compatible with Qi-standard and can be charged wirelessly, making it more convenient to charge. The battery life of Xiaomi Air 2 with charging case is only 14 hours, and wireless charging is not supported.


Different latency

Xiaomi Air 2s is upgraded to a dual-core chip, using a new binaural synchronous transmission technology to transmit sound signals to the left and right headphones at the same time, effectively reducing sound delay and strong anti-interference, and the connection between the left and right headphones is more stable.


And Xiaomi Air 2s comprehensively optimizes the LHDC Bluetooth decoding for the MIUI system, while using a new architecture for in-depth optimization of the hardware. Turning on the low delay setting can greatly reduce the sound delay, ensure the synchronization of sound and picture, and enhance the video and audio experience of the game.



These are the detailed differences between Xiaomi Mi AirDots Pro 2S and AirDots Pro 2. Although the Mi AirDots Pro 2S has not been upgraded in appearance, the battery life and latency have been greatly optimized, and the price difference between the AirDots Pro 2S and the AirDots Pro 2 is very small, which makes it more worth buying!

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