Product
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Battery
Charging - Wireless
Type Li-Ion 570 mAh Li-Ion 273 mAh (1.03 Wh), non-removable
Body
Build Glass front, stainless steel frame Glass front (Sapphire crystal), ceramic back, ceramic frame
Dimensions 50.1 x 38.3 x 12.9 mm (1.97 x 1.51 x 0.51 in) 39.2 x 34 x 11.8 mm (1.54 x 1.34 x 0.46 in)
SIM eSIM (market/region dependent) No
Weight 52.3 g (1.83 oz) 39.6 g body (1.41 oz)
  5ATM water resistant ECG certified 50m water resistant
Camera
  No No
Comms
Bluetooth 5.0, A2DP, LE 4.0, LE
NFC Yes Yes
Positioning GPS, GLONASS, BDS, GALILEO, QZSS GPS, GLONASS
Radio No No
USB No No
WLAN Wi-Fi 802.11 a/b/g/n Wi-Fi 802.11 b/g/n
Display
Protection - Sapphire crystal glass
Resolution 378 x 496 pixels (~327 ppi density) 340 x 272 pixels (~290 ppi density)
Size 1.91 inches 1.5 inches
Type LTPO AMOLED Retina OLED, 1000 nits (peak)
  - 3D Touch display
Features
Sensors Accelerometer, gyro, heart rate, compass, barometer, SpO2, thermometer (skin temperature) Accelerometer, gyro, heart rate
  Temperature sensing (0.1˚ accuracy) Natural language commands and dictation
Launch
Announced 2023, August 29 2016, September. Released 2016, December
Status Available. Released 2023, September 08 Discontinued
Memory
Card slot No No
Internal 32GB 2GB RAM 8GB 512MB RAM
Misc
Colors Black, Silver Sport Band/White
Models - A1816
Network
2G bands N/A N/A
3G bands HSDPA 850 / 900 / 2100 -
4G bands LTE -
EDGE - No
GPRS - No
Speed HSPA, LTE -
Technology HSPA / LTE No cellular connectivity
Platform
Chipset Qualcomm Snapdragon W5+ Gen 1 (4 nm) Apple S2 (16 nm)
CPU Quad-core 1.7 GHz Cortex-A53 Dual-core 780 MHz Cortex-A7
GPU Adreno A702 PowerVR G6200
OS ColorOS Watch 3.0 - China watchOS 3.0, upgradable to watchOS 6.2.8
Sound
3.5mm jack No No
Loudspeaker Yes Yes
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