Xiaomi Smart Band 9 Active

Works with: iPhone and Android
Display: LCD, 1.47 in
Case sizes: 45.9 mm
Battery: 18 days
Water resistance: 5 ATM
Weight: 16.5 g

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Xiaomi Smart Band 9 Active at a glance

Battery

Around two weeks

Up to 18 days in smartwatch mode.
GPS

Uses your phone's GPS

Carry your phone to map a workout.
Display

LCD, 1.47 in

1.47 in.
Health

Heart, sleep and more

Measures blood oxygen.
Phone & smart

iPhone and Android

Notifications from your phone.
Build

5 ATM water rating

16.5 g.

Xiaomi Smart Band 9 Active full specifications

Overview

Brand	Xiaomi
Model	Smart Band 9 Active
Series	Smart Band
Replaces	Xiaomi Smart Band 8 Active
Colours	Black, Beige White, Pink, Purple, Green

Platform & apps

Works with iPhone and Android phones.

Operating system	other
Works with	iPhone and Android
Minimum iOS	iOS 14

Display

An LCD display.

1.47 in.

Display type	LCD
Screen size	1.47 in
Resolution	172 x 320
Pixel density	247 ppi
Colour display	Yes

Design & durability

A 45.9 mm case weighing 16.5 g.

Rated 5 ATM: fine for swimming laps and showers.

Case sizes	45.9 mm
Case shape	Band
Dimensions	45.9 x 26.94 x 9.99 mm
Thickness	9.99 mm
Weight (case)	16.5 g
Lens	Reinforced glass cover
Band material	TPU
Fits wrists	135-215 mm
Water resistance	5 ATM
Water standard	ISO 22810:2010

Battery

Around two weeks: up to 18 days in smartwatch mode.

Makers test with their own settings, so treat these as best-case figures.

Battery (smartwatch mode)	18 days
All battery modes	Smartwatch: 18 days
Battery capacity	300 mAh
Charging	proprietary-plug
Full charge time	120 min

GPS & navigation

Uses your phone's GPS, so carry the phone to map a run or ride.

GPS	Uses phone GPS

Health & sensors

Tracks heart rate around the clock, plus blood oxygen.

For sleep, it offers sleep stages.

Sensors	optical HR, accelerometer
Heart-rate tracking	24/7
High/low heart-rate alerts	Yes
Blood oxygen (SpO2)	Yes
Sleep tracking	Sleep stages
Stress tracking	Yes
Cycle tracking	Yes

Training

Tracks 50+ sports and activities.

Sport profiles	50

Smart features

Notifications	Yes
Bluetooth	Bluetooth 5.3
Find my phone	Yes
Flashlight	Yes

Specs compiled from Xiaomi's product pages and datasheets. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.