Samsung Galaxy Watch 7 40mm

Display: 1.2" Super AMOLED, Always-On display Design: Lightweight, circular 40mm case Sensors: Heart rate, SpO2, ECG, sleep tracking, stress monitoring Connectivity: Bluetooth, Wi-Fi, optional LTE Battery: Up to 40 hours of battery life Compatibility: Works with Android and iOS devices Features: Fitness tracking, notifications, GPS, music control, Samsung Health integration Durability: Water-resistant (5ATM) and MIL-STD-810G certified