About this item 

• 6+ days of battery and Water-resistant up to 50m 
• Compatible with iOS 15 or higher & Android OS 9.0 or higher 
• Live healthier: all-day stress detection with cEDA and daily Stress Management Score, ECG app for atrial fibrillation assessment, irregular heart rhythm notifications, SpO2, health metrics dashboard, menstrual health tracking and mindfulness content 
• Measure and improve sleep quality: personalized Sleep Profile, daily Sleep Stages and Sleep Score, Smart wake alarm and do not disturb mode 
• Enhance activity: 24/7 heart rate monitoring, built-in GPS and workout intensity map, Daily Readiness Score, Active Zone Minutes, all-day activity tracking, 40+ exercise modes and automatic exercise tracking 
• Designed for all-day wear: on-wrist Bluetooth calls, texts, phone notifications, customisable clock faces, iOS and Android compatible, sleek, slim and water resistant to 50 meters, 6+ day battery and fast charge 
• Includes 6-month Premium membership for deeper insights and guidance, exclusive workouts, mindfulness sessions and more 
• Included in box: Fitbit Sense 2 Smartwatch (Size Small and Large Straps included). Wrist straps measure small 140 mm–180 mm with additional Large 180 mm–220 mm. Charger also included (compatible with other Fitbit Smartwatches)