Product
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Battery
Charging 10W wireless Wireless, 100% in 85 min
Type Li-Ion Li-Po 500 mAh
Body
Build Glass front, ceramic back, stainless steel frame Sapphire crystal front, stainless steel frame, sapphire crystal (heart rate zone), plastic back
Dimensions 46.2 x 46.2 x 12.2 mm (1.82 x 1.82 x 0.48 in) 46 x 46 x 11.3 mm (1.81 x 1.81 x 0.44 in)
SIM eSIM No
Weight 54 g (1.90 oz) 48.5 g (1.73 oz)
  50m water resistant 5 ATM Compatible with standard 22mm straps Waterproof (5ATM)
Camera
  No No
Comms
Bluetooth 5.2, A2DP, LE 5.2, A2DP, LE
NFC Yes Yes
Positioning GPS, GLONASS, BDS, GALILEO, QZSS GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Radio No No
USB No No
WLAN Wi-Fi 802.11 b/g/n (market/region dependent) 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, heart rate, barometer, compass, SpO2, thermometer (body temperature) Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (body temperature)
Launch
Announced 2021, June 02 2022, August 12
Status Available. Released 2021, June 11 Available. Released 2022, August 12
Memory
Card slot No No
Internal 16GB 2GB RAM Unspecified storage
  eMMC 5.1 -
Misc
Colors Black, Silver Black, Silver
Models - M2135W1, M2134W1
Network
2G bands N/A N/A
3G bands HSDPA 850 / 900 / 1800 / 1900 / 2100 / 800 N/A
4G bands 1, 3, 5, 6, 7, 8, 9, 18, 19, 20, 26, 38, 39, 40, 41 N/A
EDGE - No
GPRS - No
Speed HSPA, LTE No
Technology HSPA / LTE No cellular connectivity
Platform
OS HarmonyOS 2.0, upgradable to 3.0 MIUI Watch OS
Sound
3.5mm jack No No
Loudspeaker Yes Yes
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