Samsung Galaxy Watch4

1.4 "(34.5mm) Super AMOLED, 450 x 450 pixels (~321 ppi density), 16M Colors, CPU: Dual-Core 1.15GHz, 361mAh Battery, Android Wear OS, One UI Watch 3, Bluetooth, Wi-Fi
The Galaxy Watch4 uses red LEDs and infrared rays to calculate your SpO2 levels or the amount of oxygen in your blood.
Glass front (Gorilla Glass DX+), MIL-STD-810G compliant, 50m water-resistant (IP68), Compatible with standard 20mm straps, ECG certified, Blood pressure monitor
5 ATM / IP68 The water and dust resistance rating, Military-grade durability, Larger screen but lighter and thinner for more comfort.
Cellular LTE model Compatible with Cellular Network, Contact Carrier to Register on your account. Compatible with Android and iOS devices. Supports Samsung Pay. 4G LTE