Xiaomi OpenWear Stereo Pro Black

Name: Xiaomi OpenWear Stereo Pro Black
Brand: Xiaomi

Ultralight open-ear buds (9.7 g) with triple audio drivers and 45 h battery life.

Manufacturer reference 4223712163

Colour Black

Black
Grey
Sand

84 /100 Its best score: the most recent connectivity, rated "very recent" on its category’s scale.

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What the Xiaomi OpenWear Stereo Pro Black is worth

The Xiaomi OpenWear Stereo Pro are wireless open-ear buds with an ear-hook design, featuring a triple audio architecture: 18 x 13 mm dynamic driver, dual balanced armatures, and piezoelectric ceramic tweeter. With Bluetooth 5.4, they support AAC, SBC and LDAC codecs, plus dual-device connectivity.

Weighing 9.7 g per earbud (95/100 lightness score against a market median of 132 g), they deliver 8.5 h continuous playback and 45 h with the charging case (700 mAh). IP54 certification protects against water and dust. Active leak reduction limits sound spillage.

Positioned between 100 and 280 €, they suit users seeking comfortable open-ear wear for extended sessions, with wide frequency response (20 Hz-40 kHz) and advanced features (AI subtitles, audio recording, Harman AudioEFX spatial sound).

Its scores, criterion by criterion

Scores out of 100, calculated from the datasheet and compared with the market. The full method is public.

Connectivity Very recent

Lightness Very light

9.7 g · category median: 113 g

Battery life Good

45 h · category median: 20 h

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Specifications

Representation / rendering 2

Product colour Black

Product type Earphones

General 1

Model M2503E1

Connectivity 9

Connectivity technology Wireless

Bluetooth Yes

Bluetooth version 5.4

Bluetooth protocols Bluetooth Low Energy / HFP / A2DP / AVRCP

Bluetooth codec AAC/SBC/LDAC

Other features Yes

USB connector USB Type-C

Communication range 10 m

Multipoint connection Yes

- 1

Driver unit 18 x 13 mm

Audio 8

Dynamic driver type 18 x 13 mm

Balanced armatures Two balanced Hi-Fi armatures

Tweeter Ceramic piezoelectric tweeter

Frequency response range 20 Hz-40 kHz

Harman AudioEFX Yes

Spatial audio Yes

Audio sharing Yes

Leak reduction speaker 10 mm

Features 3

Touch control Yes

Audio recording Yes

AI subtitles Yes

Battery 7

Rechargeable battery Yes

Earbud battery capacity 56 mAh

Continuous audio playback time 45 hours

Single charge battery life 8.5 hours

Case battery capacity 700 mAh

Fast charging time 10 minutes

Battery life after quick charge 2 hours

Charge 3

Earbuds input 5 V ⎓ 130 mA

Charging case input 5 V ⎓ 1200 mA

Charging case output 5 V ⎓ 260 mA

Weight and dimensions 4

Weight 9.7 g

Dimensions of each earbud 50.8 mm x 34.9 mm x 16.7 mm

Charging case dimensions 68 mm x 68 mm x 26.3 mm

Charging case weight 52.5 g

Weight 1

Total weight 72 g

Package contents 1

Cables included USB Type-C cable

Headphones/Earphones 1

Port type Open

Resistance 1

Protection rating IP54

Materials 2

Outer coating Liquid silicone

Titanium wire 0.6 mm

Who this model suits

It’s for you if

Your first criterion is the connectivity: it happens to be its best score.

You want a good score on the lightness, above its category average.

You prefer a model tracked across several merchants, to buy at the right time.

Skip it if

Its lowest score is on battery life: skip it if that is decisive for you.

Frequently asked questions

Answers drawn from this model’s datasheet.

The total battery life reaches 45 h with the charging case, while the earbuds alone offer 8.5 h of continuous playback. Fast charging provides extra listening time in just 10 minutes.

Yes, the earbuds have an IP54 protection rating, which protects them against splashes and sweat, making them suitable for sports and slightly humid conditions.

The open design with ear hook allows external sounds to pass through to remain aware of your surroundings. The active leakage reduction system limits sound dispersion outward despite this open construction.