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.What's included: Fitbit Charge 5, Infinity band (small & large), Charging cableOptical heart rate monitor3-axis accelerometerBuilt-in GPS + GLONASSRed and infrared sensors for oxygen saturation (SpO2) monitoringDevice temperature sensor (skin temperature variation available in the Fitbit app)Vibration motorAmbient light sensorRadio transceiver: BluetoothNFCMultipurpose electrical sensors compatible with ECG app & EDA Scan appBattery life of up to 7 days. Use of the always-on display and SpO2 features will require more frequent charging. We recommend charging your tracker every few days to ensure you are always trackingBattery type: Lithium-polymerCharge time (0-100%): Two hoursSaves 7 days of detailed motion data, minute by minuteSaves daily totals for the last 30 daysStores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other timesWater resistant to 50 meters. After getting the band wet, we recommend drying the band because, as with any wearable device, it's best for your skin if the band is clean and dry. Learn moreGive your wrist a rest by taking the band off every now and then. If the band gets wet or you sweat in it, remove and completely dry the band before putting it back on. Learn moreThe Charge 5 housing is made of aluminum, glass and resin. The band is made of silicone and has an aluminum buckleLike all heart rate tracking technologies, accuracy is affected by physiology, location of device and different movementsOperating temperature: 14° to 113°FMaximum operating altitude: 28,000ftThe Fitbit app is compatible with most popular phones. To set up and use your Fitbit products and services, you must install the Fitbit app on a compatible device running one of the following operating systems:Apple iOS 12.2 or higher.
Android OS 8.0 or higher. See additional tips for Android phones hereSyncing range: Up to 30ftCertain features like smartphone notifications may require Android 8.0+. Check your device compatibilitySyncing requires Bluetooth® LE and internet connectionSyncs with Mac OS X 12.2 and up, iPhone 5S and later, Android 8.0 and laterPrint this guide to find the right size for you. Both small and large sizes included in boxSmall: Fits wrist 5.1" - 6.7" in circumferenceLarge: Fits wrist 6.7" - 8.3" in circumferenceWindow Size: Viewing area: 1.04" diagonalScreen height: 0.86"Screen width 0.58"