Xiaomi Watch S5 46mm
Quick details
Released
May 2026
Dimensions
46 mm diameter x 10.99 mm thick
Operating system
Xiaomi HyperOS
Display 1.48 inch AMOLED
Battery life Up to 21 days light use; 14 days normal use; 9 days AOD normal use
Water resistance 5 ATM
GPS Yes
Sensors GPS, Accelerometer, Gyroscope, Barometric altimeter, Compass, Ambient light sensor, Optical heart rate, SpO2, Microphone
Technical specifications
General
Release date 2026-05
Product type Smartwatch
Physical size 46 mm diameter x 10.99 mm thick
Weight 43.5-45.7 g depending on version
Material 316L stainless steel middle frame; stainless steel, ceramic or forged-carbon bezel depending on version
Water resistance 5 ATM
Display type AMOLED
Display size 1.48 inch
Display resolution 480 x 480 pixels, 323 ppi
Display brightness Up to 2,500 nits
Display protection 2D flat tempered glass
Battery Rechargeable battery; 815 mAh (Xiaomi Surge Battery)
Battery life Up to 21 days light use; 14 days normal use; 9 days AOD normal use
Charging Magnetic USB charging dock
Charging time About 90 minutes
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 No
Sports tracking 160+ workout modes
Sleep Yes
Heart rate Yes
HRV Yes
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
Smartphone compatibility Android and iOS via Mi Fitness
Operating system at launch Xiaomi HyperOS
Bluetooth Yes
Wi-Fi Yes (fast transfer for music and offline maps)
NFC / connected pay Yes (availability varies by region)
UWB No
Cellular No
Smartphone notifications Yes
Bluetooth calling Yes
Smartphone music control Yes
On-board music storage Yes
Voice assistant No
Links
These technical specs are correct to the best of our knowledge at the time of publishing.