Environmental RequirementsĬompatibility The Fitbit app is compatible with most popular phones. Heart Rate Like all heart rate tracking technologies, accuracy is affected by physiology, location of device and different movements. The band is made of silicone and has an aluminum buckle. Materials The Charge 5 housing is made of aluminum, glass and resin. If the band gets wet or you sweat in it, remove and completely dry the band before putting it back on. Care Give your wrist a rest by taking the band off every now and then. 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. Water Resistance Water resistant to 50 meters.

Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times.Saves daily totals for the last 30 days.Saves 7 days of detailed motion data, minute by minute.We recommend charging your tracker every few days to ensure you are always tracking.

Use of the always-on display and SpO2 features will require more frequent charging. Multipurpose electrical sensors compatible with ECG app & EDA Scan app.Device temperature sensor (skin temperature variation available in the Fitbit app).Red and infrared sensors for oxygen saturation (SpO2) monitoring.

Fitbit charge 5 stores