Xiaomi Watch S4 - Technical characteristics and specifications

Watch S4 technical characteristics

About the device:

Xiaomi Watch S4 is a watch / smartwatch / bracelet with dimensions of 47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in), a weight of 44.5 grams, a screen size of 1.43 inches and a screen resolution of 466 x 466 pixels (~326 ppi density).

not expandable by external memory card.

The Xiaomi Watch S4 comes from the factory with the HyperOS 2 operating system.

Technical information

Property	Value
Brand	Xiaomi
Model	Watch S4

Connectivity
Network	GSM / HSPA / LTE
2G connectivity	GSM 850 / 900 / 1800 / 1900
3G connectivity	HSDPA
4G connectivity	LTE
5G connectivity	No
Network speed	HSPA, LTE
GPRS	No
EDGE	No
Date announced	2024, October 29
Status	Available. Released 2024, October 29

Body
Dimensions	47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in)
Weight gr.	44.5
Weight oz	1.59
SIM	eSIM (market/region dependent)
Colors	Black, Silver
Body materials	Aluminum alloy frame, stainless steel bezel

Screen
Type of screen	AMOLED, 2200 nits (peak)
Screen resolution	466 x 466 pixels (~326 ppi density)
Screen size	1.43 inches

Platform
OS	HyperOS 2
CPU

Storage and memory
Memory card	No

Cameras
Main camera	No
Video features	4K@30fps, 1080p@30/60fps
Speaker	Yes
Audio connector	No

Communications
WLAN	No
Bluetooth	5.3, A2DP, LE
GPS	GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC	No
Radio	No
USB	No
Sensors	Accelerometer, gyro, compass, barometer, heart rate, SpO2