Meet our most advanced fitness & health tracker with tools like an on-wrist ECG app for heart health,** EDA Scan app for stress management and more. Get a 6-month membership of Fitbit Premium™*** and optimize your routine with Daily Readiness Score.

• Daily Readiness
• Stress Management
• Heart Health 
• Health Metrics 
• Built-In GPS 
• Premium Membership  
• Up To 7 Day Battery Life 
• Sleep Tools 
• Swim proof

Track activity & sleep and get notifications with this ultra-slim swim-proof wristband. The removable tracker fits in band, bangle & pendant accessories.

• Tracks steps, distance, calories burned and active minutes
• Monitors how long and how well you sleep
• Wakes you (not your partner) with a silent wake alarm
• LED lights show how your day is stacking up against your goal
• Easy-to-wear, slim, comfortable wristband
• Syncs automatically with select mobile devices and to your computer
• Accessory bands allow you to personalize your Flex
• Set goals, view progress and earn badges
• Share and compete with friends throughout the day
• Free Apple iPhone and Android app
• Wear proudly all day and night
• Log food, weight and more on Fitbit's website or apps
• Wear in the shower
• Rechargeable battery
• Instantly launch your Fitbit app by tapping your device your NFC-enabled Android phone

• Track workouts, heart RATE, distance, calories burned, floors climbed, active minutes and steps
• Monitor your sleep automatically and wake with a silent alarm. Battery Life up to 5 Days
• See call notifications, daily stats and time of Day on the OLED display
• Sync stats wirelessly and automatically to your computer and over 150 leading Smartphones
• Utilize the sizing tool in product details below to ensure proper fit