Xiaomi

Xiaomi Smart Band 9 Active Black

Name: Xiaomi Smart Band 9 Active Black
Brand: Xiaomi

Xiaomi fitness tracker for daily activity and health monitoring at an accessible price.

Manufacturer reference 4223706253

Colour Black

Beige
Black
Violet

73 /100 Its best score: the longest battery life, rated "very long" on its category’s scale.

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1 merchant

offers it on this market

What the Xiaomi Smart Band 9 Active Black is worth

The Xiaomi Smart Band 9 Active Black is a fitness tracker designed to monitor daily physical activity and health data.

Positioned in the 30 to 70 euro price range, this model sits in a segment typically offering a readable colour screen, consistent heart rate monitoring and battery life exceeding one week.

This tracker suits those seeking activity and health monitoring without investing in premium models.

Its scores, criterion by criterion

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

Battery life Very long

18 day(s) · category median: 7 day(s)

Lightness Heavy

16.5 g · category median: 2.8 g

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Specifications

Design 7

Product colour Black

Housing material Reinforced glass

Adjustable strap length 135 to 215 mm

Strap material TPU

Adjustable Yes

Water resistance 5 ATM

Waterproof up to 50 m

Representation / rendering 5

Display type TFT

Touchscreen Yes

Display diagonal 1.47"

Display resolution 172 x 320 pixels

Pixel density 247 ppi

Screen 1

Refresh rate 60 Hz

Weight and dimensions 4

Weight 16.5 g

Height 45.9 mm

Width 26.94 mm

Thickness 9.99 mm

Connectivity 3

Bluetooth Yes

Bluetooth version 5.3

Bluetooth Low Energy (BLE) Yes

Battery 1

Battery capacity 300 mAh

Power 4

Battery life 18 days

Heavy mode battery life 9 days

Charging time Less than 120 minutes

Charging type Magnetic charging

Specifications 24

Heart rate monitor Yes

Quality of sleep Yes

Continuous heart rate monitoring Yes

Blood oxygen monitoring Yes

Stress measurement Yes

Sleep spirit animal Yes

Women's health management Yes

Sport modes 50

Motion trajectory tracking Yes

Daily activity recording Yes

Alarm clock Yes

Stopwatch Yes

Timer Yes

Weather Yes

Music control Yes

Find my phone function Yes

Camera control Yes

Events Yes

Flashlight Yes

Widgets Yes

Available watch faces More than 100

Vibrating motor ERM

Accelerometer Yes

Heart rate sensor type PPG

Sensors 1

Sensors PPG sensor, Accelerometer

Minimum system requirements 1

Mobile operating systems supported Android, iOS

Compatibility 3

Android required Android 8.0 and later

iOS required iOS 14.0 and later

Compatible app Mi Fitness

Package contents 3

Manual Yes

Dedicated charging cable Yes

Strap Yes

Who this model suits

It’s for you if

Your first criterion is the battery life: 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 the lightness: skip it if that is decisive for you.

Frequently asked questions

Answers drawn from this model’s datasheet.

The document does not specify the battery life for this model. For fitness trackers in this price range, battery life generally exceeds one week according to category benchmarks.

The Xiaomi Smart Band 9 Active provides daily activity and sleep tracking. Exact measurement functions are not detailed in the document.

The document does not mention screen features for this model. Only the product colour, black, is indicated.