Product
Xiaomi Watch S1
Xiaomi Watch S1
₹27,398
Xiaomi Watch S1 Pro
Xiaomi Watch S1 Pro
₹21,959
Battery
Charging Wireless Wireless, 100% in 85 min
Type Li-Po 470 mAh Li-Po 500 mAh
Body
Build Sapphire crystal front, stainless steel frame, plastic back Sapphire crystal front, stainless steel frame, sapphire crystal (heart rate zone), plastic back
Dimensions 46.5 x 46.5 x 11 mm (1.83 x 1.83 x 0.43 in) 46 x 46 x 11.3 mm (1.81 x 1.81 x 0.44 in)
SIM No No
Weight 53 g (1.87 oz) 48.5 g (1.73 oz)
  Waterproof (5ATM) Waterproof (5ATM)
Camera
  No No
Comms
Bluetooth 5.2, A2DP, LE 5.2, A2DP, LE
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Radio No No
USB No No
WLAN Wi-Fi 802.11 b/g/n (China only) Wi-Fi 802.11 b/g/n (China only)
Display
Resolution 466 x 466 pixels (~326 ppi density) 480 x 480 pixels (~462 ppi density)
Size 1.43 inches 1.47 inches
Type AMOLED AMOLED, 600 nits (typ)
Features
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2 Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (body temperature)
Launch
Announced 2021, December 28 2022, August 12
Status Available. Released 2021, December 31 Available. Released 2022, August 12
Memory
Card slot No No
Internal Unspecified storage Unspecified storage
Misc
Colors Black, Silver Black, Silver
Models M2108W1 M2135W1, M2134W1
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 No
Technology No cellular connectivity No cellular connectivity
Platform
OS Proprietary OS MIUI Watch OS
Sound
3.5mm jack No No
Loudspeaker Yes Yes
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