Xiaomi Watch S1
Quick details
Released
December 2021
Dimensions
46.5 x 46.5 x 11 mm
Operating system
MIUI Watch 1.0
Display 1.43 inch AMOLED, 60Hz high refresh rate
Battery life up to 12 days in typical watch mode, 24 days in long-life mode and 30 hours with GPS switched on
Water resistance 5 ATM
GPS Yes
Sensors GPS, Accelerometer, Gyroscope, Barometric altimeter, Geomagnetic sensor, Ambient light sensor, Optical heart rate, SpO2, Microphone
Technical specifications
General
Release date 2021-12
Product type Smartwatch
Physical size 46.5 x 46.5 x 11 mm
Weight 52 grams
Material Sapphire glass cover; stainless steel case
Water resistance 5 ATM
Display type AMOLED, 60Hz high refresh rate
Display size 1.43 inch
Display resolution 466 x 466 pixels
Display protection 2.5D sapphire glass
Battery Rechargeable battery; 470 mAh
Battery life up to 12 days in typical watch mode, 24 days in long-life mode and 30 hours with GPS switched on
Charging Wireless charging
Charging time Up to 2.5 hours
Sensors
GNSS type Built-in dual-band GNSS
GPS Yes
GALILEO Yes
GLONASS Yes
QZSS Yes
Beidou Yes
Accelerometer Yes
Gyroscope Yes
Barometric altimeter Yes
Compass Yes
Geomagnetic Yes
Ambient light sensor Yes
Optical heart rate Yes
Electrical heart rate No
SpO2 Yes
Temperature No
Galvanic skin response No
Microphone Yes
Speakers Yes
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors Yes
Sports tracking Yes (117 sports modes)
Sleep Yes
Heart rate Yes
HRV No
Stress Yes
Blood oxygen Yes
Respiration rate No
Skin temperature No
ECG No
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Vitality Score No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Operating system at launch MIUI Watch 1.0
Bluetooth Yes (5.2)
Wi-Fi Yes (2.4 GHz)
NFC / connected pay Yes
UWB No
Cellular No
Smartphone notifications Yes
Bluetooth calling Yes
Smartphone music control Yes
On-board music storage No
Voice assistant Yes (Amazon Alexa)
Links
These technical specs are correct to the best of our knowledge at the time of publishing.
