Design * Titanium case. * Scratch-resistant Sapphire Glass. * Ceramic back. * Weight approximately 54.7g (without strap). Display * 1.47-inch AMOLED display. * Resolution 466 x 466 pixels. * Bright and clear screen even in sunlight. Battery * Up to 21 days with light usage. * Approximately 12 days with normal usage. * About 7 days when Always-On Display is enabled. * Supports wireless charging. Health * Continuous heart rate monitoring. * ECG. * Blood oxygen measurement (SpO2). * Skin temperature measurement. * Sleep tracking. * Stress and Heart Rate Variability (HRV) measurement. Sports * Over 100 sports modes. * High-precision dual-frequency GPS. * 5ATM water resistance. * IP69 certified. * Supports free diving up to 40 meters. Connectivity * Receive calls via Bluetooth with built-in speaker and microphone. * NFC (region dependent). * Works with Android and iPhone.