BrandSamsungProcessorExynos W1000App SupportGalaxy WearableModelWatch8Size40mm, 44mmDimensions44mm: 46 x 43.7 x 8.6 mm | 40mm: 42.7 x 40.4 x 8.6 mmDisplay44mm: 1.47-inch, Resolution: 480x480 pixels | 40mm: 1.34-inch, resolution: 438x438 pixels | peak brightness: 3000 nits | Type: Super AMOLEDSweat & Water ResistanceIP68 ratingMemory2GB | 32GB ROMTemperature34 g (44mm), 30 g (40mm)Battery Info44mm: 435mAh | 40mm: 325mAh | Charging: 10W Wireless | Runtime: up to 30 hours (AOD mode)ConnectivityWi-Fi 802.11 a/b/g/n, dual-band | Bluetooth: 5.3, A2DP, LE | Positioning: GPS (L1+L5), GLONASS, GALILEO, BDS | NFC: YesSensorsAccelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant indexOther FeaturesDual-band GPS | Compatibility: Galaxy Smartphones running Android 12 or higher 