Fitbit Charge 5 Tracker Black/Graphite Although unused, it has been opened and tested for power. We apologize, but we are not accepting price negotiations. ■ Product Description Memory Storage Capacity: 1 GB Features: Sleep Monitor, GPS, Multi-Sport Tracker Connectivity: GPS Wireless Communication Standard: Bluetooth Battery Type: Lithium Ion 【Today's Energy Score】Prioritizing recovery may yield better results than continuing with hard workouts. With Fitbit Premium's "Today's Energy Score," which tells you what's best for your body, you can check your score every morning in the Fitbit app, calculated based on activity, sleep, and heart rate variability. You'll also be presented with personalized daily goals and recommended workouts and recovery sessions based on your body's condition. As you continue to use it, you'll see more personalized scores and goals. *Coming soon. Fitbit Premium membership is required to use Today's Energy. Premium recommendations may not be available in some regions or may only be available in English. 【Suica Compatible Model】Simply hold your wrist up to pay for train/bus fares and shopping. *Some models that support Fitbit Pay do not support Suica. Suica is a registered trademark of East Japan Railway Company. 【Health Metrics Dashboard】Records blood oxygen wellness, heart rate variability, estimated skin temperature variation, and more. The Health Metrics Dashboard and the metrics displayed on the dashboard are available in some countries. This feature is not intended for medical diagnosis, treatment, or other medical purposes. It is a feature intended to provide information to help manage your health. If you have concerns about your health, please consult a medical institution. If you believe you have a medical emergency, please contact emergency services. 【Stress Management Score】Represents your body's response to stress with a daily score. You can see how exercise habits, mindfulness practices, and sleep conditions help manage stress levels. 0810038855899 ②