Fitbit Versa 4 Fitness Smartwatch - Graphite (Certified Refurbished)

PRODUCT OVERVIEWGet better results from your workout routine with the all-new Versa 4 + Premium. Know when you're up for a challenge or need a recovery day with your personalized Daily Readiness Score1. Track more exercises than ever right from your wrist with 40+ exercise modes. Choose from modes like strength training, HIIT, running, kayaking, and more to see critical results in real-time--including Active Zone Minutes which shows your target intensity levels. Do it all with a thin, lightweight fitness smartwatch designed for comfort during workouts, sleep, and more.KEY FEATURESLearn to manage stress, sleep better and live healthier with Sense 2—our most advanced health and fitness smartwatchManage stress and live healthier: all-day stress detection with cEDA and daily Stress Management Score, ECG app for atrial fibrillation assessment(1), irregular heart rhythm notifications(2), SpO2(3), health metrics dashboard(4), mindfulness contentMeasure and improve sleep quality: personalized