Samsung SM-870 44mm Galaxy Watch 4 Silver

Brand: Samsung

Technology: No cellular connectivity

Dimensions: 44.4×43.3×9.8 mm

Weight: 30.3 g

SIM: No

Build: Glass front (Sapphire crystal), Aluminum frame

Resistance: IP68

Display type: Super AMOLED

Display size: 1.36  inches

Resolution: 450 x 450 pixels

Display protection:: Gorilla Glass DX

Operating system:  WearOS with One UI Watch

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

Bluetooth: 5.0

NFC: Yes

RADIO: No

Battery: Li-Ion 361 mAh, non-removable

Charging: Yes

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