Product
Xiaomi Watch S2
Xiaomi Watch S2
₹14,972
Xiaomi Watch S4 41mm
Xiaomi Watch S4 41mm
₹12,024
Battery
Charging Wireless -
Type Li-Po 500 mAh Li-Po 320 mAh
Body
Build Sapphire crystal front, stainless steel frame Stainless steel bezel and frame
Dimensions 46 x 46 x 10.7 mm (1.81 x 1.81 x 0.42 in) 41.2 x 41.2 x 9.5 mm (1.62 x 1.62 x 0.37 in)
SIM No No
Weight - 32 g (1.13 oz)
  Waterproof (5ATM) Waterproof (5ATM)
Camera
  No No
Comms
Bluetooth 5.2, A2DP, LE 5.4, A2DP, LE
NFC Yes Yes (market/region dependent)
Positioning GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS GPS, GLONASS, GALILEO, BDS, QZSS
Radio No No
USB No No
WLAN No No
Display
Protection - Scratch/drop-proof glass
Resolution 466 x 466 pixels (~326 ppi density) 466 x 466 pixels (~320 ppi density)
Size 1.43 inches 1.32 inches
Type AMOLED AMOLED, 1500 nits (HBM), 2200 nits (peak)
Features
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature), body composition (BMI) Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature)
Launch
Announced 2022, December 11 2025, June 26
Status Available. Released 2022, December 11 Available. Released 2025, June 26
Memory
Card slot No No
Misc
Colors Black, Silver, Light Gold Black, Green, White, Gold
Models - M2502W1
Network
2G bands N/A N/A
3G bands N/A N/A
4G bands N/A N/A
EDGE No No
GPRS No No
Speed No -
Technology No cellular connectivity No cellular connectivity
Platform
OS Proprietary OS HyperOS 2
Sound
3.5mm jack No No
Loudspeaker Yes Yes
Offers No offers available No offers available