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Battery
| life | Up to 24 hours |
| type | Built-in rechargeable lithium-ion |
| capacity | 294 mAh (typical) |
| charging | USB-C magnetic charging cable; about 30 min to 50%, 55 min to 80%, 80 min to 100% |
Display
| type | 320 ppi AMOLED display with DCI-P3 color |
| cover | Custom 3D Corning Gorilla Glass 5 |
| always_on | Always-on display |
Physical
| colors | Matte Black, Polished Silver, Champagne Gold stainless steel cases |
| weight | 36 g (without band) |
| materials | Case: 80% recycled stainless steel; Active band: fluoroelastomer with soft-touch coating |
| dimensions | 41 mm diameter, 12.3 mm height |
| water_resistance | 5 ATM (ISO 22810:2010) |
Software
| os | Wear OS 3.5 |
| features | Fitbit health and fitness, Google Maps, Google Wallet, Google Assistant, Emergency SOS |
Performance
| chip | Exynos 9110 SoC with Cortex M33 co-processor |
| audio | Built-in microphone and speaker |
| sensors | Compass, altimeter, blood oxygen sensor, multipurpose electrical sensor, optical heart rate sensor, accelerometer, gyroscope, ambient light sensor |
| interaction | Side button, haptic crown, premium haptics |
Connectivity
| nfc | NFC |
| gnss | GPS, GLONASS, BeiDou, Galileo |
| wifi | Wi-Fi 802.11 b/g/n 2.4GHz |
| cellular | 4G LTE and UMTS (LTE model) |
| bluetooth | Bluetooth 5.0 |
| compatibility | Android 8.0 or newer |
Memory & Storage
| ram | 2 GB SDRAM |
| storage | 32 GB eMMC flash |
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