Fitbit Versa 4 Fitness Smartwatch with Daily Readiness, GPS, 24/7 Heart Rate, 40+ Exercise Modes, Sleep Tracking and more, Waterfall Blue/Platinum, One Size (S & L Bands Included) Brand Fitbit Model Name Fitbit Versa 4 Style Modern Color Waterfall Blue/Platinum Screen Size 1.34 Inches Special Feature Activity Tracker, GPS, Sleep Monitor, Stress Tracking, Heart Rate Monitor, Water Resistant, Alarms Clock, Notifications, Phone Call, Text Messaging, Bluetooth Activity Tracker, GPS, Sleep Monitor, Stress Tracking, Heart Rate Monitor, Water Resistant, Alaram Clock, Notifications, Phone Call, Text Messaging, Bluetooth Shape Heart Target Audience Unisex Adult Age Range (Description) Adult Compatible Devices Smartphone See more About this item Get inspired and stay accountable with Versa 4 + Premium - learn when to work out or recover, see real-time stats during exercise, and find new ways to keep your routine fresh and fun. Operating temperature: -14° to 113°F. Radio transceiver: B...