Amazfit GTS 4 Mini

Works with: iPhone and Android
Display: AMOLED, 1.65 in
Case sizes: 41.8 mm
Battery: 15 days
Water resistance: 5 ATM
Weight: 31.2 g

We earn a commission from qualifying Amazon purchases made through our links, at no extra cost to you. This never affects our specs. How we make money.

Find it in these categories

Amazfit GTS 4 Mini at a glance

Battery

Around two weeks

Up to 15 days in smartwatch mode.
GPS

Built-in GPS

No maps. Runs and rides without your phone.
Display

AMOLED, 1.65 in

1.65 in and touchscreen.
Health

Heart, sleep and more

Measures blood oxygen.
Phone & smart

iPhone and Android

Notifications from your phone.
Build

5 ATM water rating

31.2 g.

Amazfit GTS 4 Mini full specifications

Overview

Brand	Amazfit
Model	GTS 4 Mini
Series	GTS
Colours	Midnight Black

Platform & apps

Works with iPhone and Android phones.

Operating system	other
Works with	iPhone and Android
Minimum iOS	iOS 12
Minimum Android	Android 7

Display

A bright, colourful screen that looks like a phone display.

1.65 in and touchscreen.

Display type	AMOLED
Screen size	1.65 in
Resolution	336 x 384
Pixel density	309 ppi
Colour display	Yes
Touchscreen	Yes
Controls	touchscreen

Design & durability

A 41.8 mm case weighing 31.2 g.

Rated 5 ATM: fine for swimming laps and showers.

Case sizes	41.8 mm
Case shape	Rectangular
Dimensions	41.8 x 36.7 x 9.1 mm
Thickness	9.1 mm
Weight (case)	31.2 g
Case material	Aluminium, Plastic
Band material	silicone
Band width	20 mm
Fits wrists	135-190 mm
Water resistance	5 ATM

Battery

Around two weeks: up to 15 days in smartwatch mode.

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

Battery (smartwatch mode)	15 days
All battery modes	Smartwatch: 15 days
Battery capacity	270 mAh
Battery type	Built-in battery
Full charge time	120 min

GPS & navigation

Built-in GPS, so you can record runs and rides without your phone.

GPS	Built-in
Satellite systems	GPS, GLONASS, Galileo, BeiDou, QZSS

Health & sensors

Tracks heart rate around the clock, plus blood oxygen.

For sleep, it offers basic sleep tracking.

Sensors	optical HR, SpO2, accelerometer, ambient light, compass
Blood oxygen (SpO2)	Yes
Sleep tracking	Basic
Stress tracking	Yes

Smart features

Microphone	Yes
Wi-Fi	None
Bluetooth	Bluetooth 5.2

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