Samsung Galaxy Watch 5 is well-known • Clear Super AMOLED display + Scratch-resistant Sapphire Crystal glass • Heart rate monitoring + ECG + Oxygen level percentage • Body composition analysis (fat / muscle / water) • Sleep tracking and quality analysis • Sports tracking for most exercises • Built-in GPS for walking and running • Water and dust resistance (5ATM + IP68) • Battery life of up to 40 hours • Fast wireless charging • Supports calls and notifications • Wear OS and Google applications