The WHOOP 5.0 with MG upgrade is a screen-free wearable that tracks heart rate, sleep, and recovery while offering clinical-grade features like on-demand ECG for atrial fibrillation screening and daily Blood Pressure Insights . Both the 5.0 and MG share a refined 7% smaller form factor with over 14 days of battery life, though only the MG includes a conductive clasp for 30-second ECG readings . The device continuously monitors Strain, Sleep Performance, and Healthspan, providing a Pace of Aging metric to help optimize long-term wellness without intrusive screens or menus .