An everyday companion, the Zepp Z health smartwatch monitors your heart rate and keeps your stress levels in check. Its all-day heart monitoring feature also lets you know if your heart rate elevates too high. Plus, it tracks stress levels so you know when you need to relax. What's more, this fitness smartwatch monitors your blood-oxygen level for physiological health. And it knows when you get deep, light, and REM sleep. Overall, it helps you improve your sleep quality over time. With over two weeks of battery life, it has an optimized power management system that ensures it lasts for up to 15 days when used daily. Made with a case that's just one piece of polished titanium alloy, it has a lightweight yet super strong design that works for everyday use. Finally, the AMOLED display stays on at all times and wakes when you lift your wrist.