Product
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Xiaomi Watch S4 Sport
Xiaomi Watch S4 Sport
₹24,941
Battery
Type Li-Ion 455 mAh, non-removable Li-Po 586 mAh
Body
Build Glass front, ceramic back, stainless steel frame Sapphire crystal front, titanium alloy case, sapphire crystal back
Dimensions 45.9 x 45.9 x 10.7 mm (1.81 x 1.81 x 0.42 in) 46.9 x 46.9 x 12.6 mm (1.85 x 1.85 x 0.50 in)
SIM No eSIM
Weight 41 g (1.45 oz) 49 g (1.73 oz)
  50m water resistant Compatible with standard 22mm straps (46mm model), 20mm straps (42mm model) Waterproof (5ATM) 40m swimproof/diving (EN13319)
Camera
  No No
Comms
Bluetooth 5.1, LE, EDR 5.2, A2DP, LE
NFC Yes (China only) Yes (NFC car key support)
Positioning GPS, GLONASS, GALILEO GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Radio No No
USB No No
WLAN No No
Display
Protection - Sapphire crystal glass
Resolution 454 x 454 pixels (~326 ppi density) 466 x 466 pixels (~326 ppi density)
Size 1.39 inches 1.43 inches
Type OLED AMOLED, 2200 nits (peak)
Features
Sensors Accelerometer, gyro, heart rate, barometer, compass Accelerometer, gyro, compass, barometer, heart rate, SpO2
  - Depth gauge NFC car key support: Xiaomi SU7 and Lotus cars
Launch
Announced 2019, September. Released 2019, October 2024, July 19
Status Discontinued Available. Released 2024, July 19
Memory
Card slot No No
Internal 4GB 32MB RAM 32GB
  eMMC -
Misc
Colors Titanium Grey Stainless Steel, Black Stainless Steel, Stainless Steel Titanium
Models LTN-B19, DAN-B19 M2312W1
Network
2G bands N/A GSM 850 / 900 / 1800 / 1900
3G bands N/A HSDPA
4G bands N/A LTE
EDGE No No
GPRS No No
Speed No HSPA, LTE
Technology No cellular connectivity GSM / HSPA / LTE
Platform
OS Proprietary OS HyperOS
Sound
3.5mm jack No No
Loudspeaker Yes (46mm only) Yes
  Only 46mm series support Bluetooth calling -
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