Understand your health and take action to improve with Fitbit Charge 3 – an advanced health and fitness tracker that uses 24/7 heart rate and personalised insights to reveal what's below the surface. Fitbit Charge 3 has a battery life of up to 7 days. Saves 7 days of detailed motion data – minute by minute. Saves daily totals for the last 30 days. Stores heart rate data at one-second intervals during exercise tracking and at five-second intervals all other times. Fitbit Charge 3 is water resistant to 50 metres. Fitbit Charge 3 syncs automatically and wirelessly to computers and more than 200 leading iOS, Android and Windows devices using Bluetooth LE wireless technology. Features: All-Day Calorie Burn. 24/7 Heart Rate. 15+ Goal-Based Exercise Modes. Sleep Tracking and Stages. Guided Breathing Sessions. Heart Rate Zones. Automatic Exercise Recognition. Water Resistant to 50M. Cardio Fitness Level. Female Health Tracking. Fitbit Pay. Smartphone Notifications. All-Day Activity Tracking. Real-Time Pace and Distance. Reminders to Move. Smart Experiences.
Sensors & Components: 3-axis accelerometer. Optical heart rate monitor. Altimeter. Vibration motor. Relative SpO2 sensor. Battery type: Lithium-polymer. Charge time (0-100%): Two hours. Radio transceiver: Bluetooth 4.0. Syncing range: Up to 6m. Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, Android 4.3 and later and Windows 10 devices. The Fitbit Charge 3 comes with Classic wristband in both sizes small and large. Charging cable.
Small Band: Fits wrists 140 - 180mm in circumference. Large Band: Fits wrists 180 - 220mm in circumference. Screen Window Diagonal: 39.83mm. Screen Window Size: 19.9 x 34.5mm.