Pureplus Heart Rate: Continuous, automatic, wrist-based heart rate tracking without an uncomfortable chest strap.
All-Day Activity Tracking: Track steps, distance, calories burned, floors climbed, active minutes and hourly activity. Charge 2 sends reminders to move that encourage you to take 250 steps every hour
Auto Sleep Tracking: Automatically track how long and how well you sleep and set a silent vibrating alarm. Automatically records select exercises like hiking, biking, sports and more. Charge time - One to two hours. Battery life up to 5 days
Auto Exercise Recognition: SmartTrack automatically recognizes select exercises (running, biking and more) and records them for you in the Fitbit app. Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, Android 4.4 and later, and Windows 10 devices
Connected GPS: Connect Charge 2 with the GPS on your phone to see real-time stats like pace and distance on display and record a map of your route.Charge 2 syncs wirelessly & automatically to 200+ iPhone, Android and Windows devices
One syncs automatically and wirelessly to tablets, computers and 150+ leading iOS, Android and Windows smartphones using Bluetooth 4.0 wireless technology. Syncing to computers requires Internet connection and USB port. Syncing to mobile devices requires Bluetooth and Internet connection. Syncing range: 20 feet. Call notifications via Bluetooth 4.0
Water Resistance: Charge has been tested up to 1 ATM meaning it is sweat, rain and splash proof. However, the device is not swim proof. We also recommend taking Charge off before showering because, as with any wearable device, it’s best for your skin if the band stays dry and clean.
Warning: Do not use if you have a pacemaker or other internal, or implanted medical device. Not intended for use by children under 13. Always consult your physician. Slippery when wet
We recommend charging your device every few days to ensure you are always tracking. Charge time: One to two hours. Battery life: up to 7 - 10 days. Battery type: Lithium-polymer
Syncs with Windows Vista and later, Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, and leading Android and Windows devices
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