Samsung SM-R880 42mm Galaxy Watch 4 Classic Black

Brand: Samsung

Technology: No cellular connectivity

Dimensions: 41.5 x 41.5 x 11.2mm (Excluded the health sensor)

Weight: 52 g

SIM:  eSIM

Build: Glass front (Gorilla Glass DX), stainless steel frame 316L or titanium frame

Resistance: 50m water resistant (IP68)

Display type: Super AMOLED

Display size: 1.2 inches

Resolution: 396 x 396 pixels

Display protection:: Gorilla Glass DX

Operating system:  Wear OS Powered by Samsung

Chipset:Exynos W920 5 nm

Processor: Dual-core 1.18 GHz Cortex-A55

GPU: Mali-G68

Internal memory: 16GB

RAM: 1.5 GB

camera: No

WLAN: Wi-Fi 802.11 a/b/g/n, dual-band

Bluetooth: 5.0, A2DP, LE

NFC: Yes

RADIO: No

Battery: Li-Ion 361 mAh, non-removable

Charging: Qi wireless

Sensors: BioActive Sensor (PPG), Electrocardiogram (ECG), Bioelectrical impedance analysis (BIA) sensor, SpO2, Accelerometer, barometer, Gyroscope, Geomagnetic sensor , Ambient light sensor