Fitbit Sense 2 with charger. Still works great. Some wear (see photos). Advanced Stress and Health Tracking: This Fitbit Sense 2 smartwatch offers all-day stress detection with cEDA, ECG app for atrial fibrillation assessment, irregular heart rhythm notifications, SpO2 monitoring, and a health metrics dashboard to help you manage stress and live a healthier life. Sleep Quality Insights: Get personalized sleep insights with the Sleep Profile feature, daily sleep stages tracking, Sleep Score, smart wake alarm, and do not disturb mode to help you optimize your sleep quality. Fitness and Activity Tracking: Built-in GPS, workout intensity map, Daily Readiness Score, Active Zone Minutes, all-day activity tracking, 24/7 heart rate monitoring, 40+ exercise modes, automatic exercise tracking, and water resistance up to 50 meters. Smart Features for Convenience: Enjoy on-wrist Bluetooth calls, texts, and phone notifications, customizable clock faces, Fitbit Pay, Amazon Alexa built-in, Google.