Samsung Galaxy Watch 4

Model NameSamsung Galaxy Watch4Dimensions (Classic, 42mm)41.5 x 41.5 x 11.2 mm (1.63 x 1.63 x 0.44 in)Weight (Classic, 42mm)46.5 g (1.62 oz)SIM (Classic)eSIM | MIL-STD-810G compliant* | Compatible with standard 20mm straps | ECG certified | Blood pressure monitor | Rotating bezel *does not guarantee ruggedness or use in extreme conditionsDisplay TypeSuper AMOLEDDisplay Size (Classic, 42mm)1.2 inchesResolution (Classic, 42mm)396 x 396 pixels (~330 ppi density)Protection (Classic)Corning Gorilla Glass DX | Always-on displayChipsetExynos W920 (5 nm)CPUDual-core 1.18 GHz Cortex-A55GPUMali-G68Memory Card SlotNoInternal16GB 1.5GB RAMLoudspeakerYes3.5mm JackNoWLANWi-Fi 802.11 a/b/g/n, dual-bandBluetooth5.0, A2DP, LEPositioningGPS, GLONASS, GALILEO, BDSNFCYesRadioNoUSBNoSensorsAccelerometer, gyro, heart rate, barometer, compass | Natural language commands and dictation | Samsung PayBattery Type (Classic, 42mm)Non-removable Li-Ion 247 mAh batteryChargingWireless (Qi)