Charge4 Special Edition Black/Charcoal Woven L/S size [Japanese genuine product] FB417BKGY-FRCJK

[Equipped with GPS] Use the built-in GPS when running, cycling, hiking, etc. outdoors. After viewing your pace and distance on Charge 4, you can also see a map of your workout in the Fitbit app. [Active heart rate zones (min)] Fat burning, cardio, and peak zones. You'll be notified when you reach each customized heart rate zone, so you can understand the intensity of your activity. [Supported OS] Compatible with Bluetooth 4.0 or higher, iOS 11.0 or higher, Android 7.0 or higher *Operation is not guaranteed on all Android devices. Please check the manufacturer's website for the latest information and compatible models. [Continuous Usage Time] Heart rate measurement and other functions can be used for up to 7 days in a row (up to 5 hours when using the built-in GPS. Varies depending on your environment and settings.) [Notifications & Replies [Function] Notifications from various applications such as incoming calls, text messages, calendars, Facebook/LINE/Twitter etc. on the display and vibration/Quick reply to messages using pre-set fixed phrases (Android only)

Fitbit Charge 4 expands your possibilities infinitely. Built-in GPS, active heart rate zone (minutes) measurement, new exercise modes, and sleep data tracking. A sophisticated, water-resistant tracker packed with features to help you understand your workouts and your body. Plus, it offers up to 7 days of battery life. You can achieve your health goals more conveniently and more actively on the go. Fitbit doesn't just measure things. [World's largest database] With its overwhelming database, you can compare your measurements with the average values ​​of people of the same sex and age group. [Real-time competition with friends] Fitbit users can compete in real-time step counts and send messages to each other, making it even more fun to move your body. [Community] You can share various information with the fitness SNS function that allows you to connect with users around the world. [Selectable Dial] You can customize it to your liking with the dial that can be selected according to the occasion. Key features of Charge 4: Built-in GPS Customized heart rate zone measurement Fat burning, cardio, and peak zones. You'll be notified when you reach each customized heart rate zone, so you can understand the intensity of your activity.・Records light sleep, deep sleep, and REM sleep data.・Displays incoming calls, text messages, and app notifications** ・Up to 7 days of battery life (up to 5 hours when using GPS)*** ・Spotify compatible ****** When your smartphone is nearby Availability ***Battery duration varies depending on your environment and settings. ****Requires application for paid service. Available if your smartphone is nearby. To record data, you will need to create a free Fitbit account, have a smartphone that supports wireless synchronization (some PCs can also do this), and have an Internet connection.