To preserve battery life, you can enable a feature called Dynamic GPS that uses your phone's GPS when you have it with you, and the Charge 4's GPS when you don't. Using GPS to track a workout depleted that number significantly faster, but that was expected. After wearing it for a full 24 hours (before testing GPS), the Charge 4 still had 85 percent battery, which is pretty good. A swipe down on the clock face brings up your notifications.įitbit says the Charge 4’s battery lasts up to seven days, or up to five hours while using GPS.

Swiping left from the clock face lets you access on-device apps, including Exercise, Spotify, Agenda, Relax, Timers, Alarms, Weather, and Settings. You can swipe up from the clock face to view fitness stats including your steps taken that day, hourly steps, Active Zone Minutes, current and resting heart rate, distance covered, calories burned, floors climbed, sleep data, your weight, water intake, and more. There are two small buttons on the back of the tracker-just press them to release one band and snap on a new one. Swapping out the bands couldn’t be easier. I especially like the styling of the Special Edition (pictured in this review), which costs $20 more than the standard model, but comes with a reflective granite/black woven band, plus a classic black flexible plastic band you can use for sweaty workouts. The Charge 4 looks sleek, measuring less than half an inch at its thickest point. Design, Navigation, Battery Life, and Setup Though we'd like to see a color screen, the $149.95 Charge 4 is an excellent update, and an Editors’ Choice. Plus Fitbit Pay is now available on all Charge 4 models, not just the more expensive Special Edition. Now in its fourth generation, Fitbit builds on what we like about the Charge family with the addition of GPS to map your exercise route without a phone, Spotify support, more sleep tools, and a motivating new metric called Active Zone Minutes. The Fitbit Charge line has produced some of our favorite fitness trackers on the market since the original model’s debut in 2014.

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Fitbit charge 4 charger