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Battery
Charging Wireless, 100% in 85 min Wireless (Qi)
Stand-by - Up to 72 h (3G)
Type Li-Po 500 mAh Li-Ion 380 mAh, non-removable
Body
Build Sapphire crystal front, stainless steel frame, sapphire crystal (heart rate zone), plastic back Glass front (Gorilla Glass 3), stainless steel 316L frame
Dimensions 46 x 46 x 11.3 mm (1.81 x 1.81 x 0.44 in) 49 x 46 x 12.9 mm (1.93 x 1.81 x 0.51 in)
SIM No No
Weight 48.5 g (1.73 oz) 63 g (2.22 oz)
  Waterproof (5ATM) IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Compatible with standard 22mm straps
Camera
  No No
Comms
Bluetooth 5.2, A2DP, LE 4.2, A2DP, LE
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS GPS, GLONASS
Radio No No
USB No No
WLAN Wi-Fi 802.11 b/g/n (China only) Wi-Fi 802.11 b/g/n
Display
Protection - Corning Gorilla Glass SR+
Resolution 480 x 480 pixels (~462 ppi density) 360 x 360 pixels (~278 ppi density)
Size 1.47 inches 1.3 inches
Type AMOLED, 600 nits (typ) Super AMOLED
  - Rotating bezel
Features
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (body temperature) Accelerometer, gyro, heart rate, barometer
  - S-Voice natural language commands and dictation Samsung Pay
Launch
Announced 2022, August 12 2016, August. Released 2016, November
Status Available. Released 2022, August 12 Discontinued
Memory
Card slot No No
Internal Unspecified storage 4GB 768MB RAM
Misc
Colors Black, Silver Silver
Models M2135W1, M2134W1 -
Network
2G bands N/A N/A
3G bands N/A -
4G bands N/A -
EDGE No No
GPRS No No
Speed No -
Technology No cellular connectivity No cellular connectivity
Platform
Chipset - Exynos 7 Dual 7270 (14 nm)
CPU - Dual-core 1.0 GHz Cortex-A53
OS MIUI Watch OS Tizen OS 5.5
Sound
3.5mm jack No No
Loudspeaker Yes Yes
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