<p>LTPO OLED Always-On Retina Display Digital Crown with Haptic Feedback Generate Your Own ECG Fall Detection + SOS Emergency Connectivity Bluetooth | Wi-Fi 4 (802.11n) | NFC Sensors Accelerometer | Altimeter | Barometer Compass Sensor | Gyroscope | Heart Rate | Light Sensor Operating System watchOS 5 1 Year Warranty</p> <p>LTE and UMTS, Built-in GPS, GLONASS, Galileo, and QZSS, S5 with 64-bit dual-core processor, W3 Apple wireless chip, Barometric altimeter, Capacity 32GB,