Most popular fitness trackers
Comparing Fitbit Alta and Fitbit Charge 2
Fitbit Charge 2
- Alta syncs automatically and wirelessly to computers and 200+ leading iOS, Android and Windows devices 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
- Water Resistance: Alta is sweat, rain, splash proof. You can wear Alta in the shower, but we recommend rinsing and drying it afterwards because it's best for your skin if the band stays clean and dry. Battery life: lasts up to 5 days. Radio transceiver: Bluetooth 4.0
- 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 ; The Fitbit Alta wristband is made of a flexible, durable elastomer material similar to that used in many sports watches. The Alta tracker and clasp are made with surgical-grade stainless steel ; Syncs Wirelessly : Android and Windows devices.
- We recommend charging your device every few days to ensure you are always tracking. Charge time: One to two hours. Battery life up to 5 days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary. 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
- Refere the User manual for trouble shooting steps and how to sync
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- PurePulse continuous, automatic wrist-based heart rate tracking to better measure calorie burn all day
- Maximize your workouts using simplified heart rate zones (Fat Burn, Cardio and Peak)
- See call, text & calendar notifications on the OLED display; Automatically track how long and how well you sleep and wake with a silent vibrating alarm
- Get a better understanding of your fitness level and see how you can improve over time with a personalized Cardio Fitness Score; Use Connected GPS during run mode to see real-time stats like pace and distance on your wrist
- Track all-day activity like steps, distance, calories burned, floors climbed and active minutes;Find moments of calm throughout your day with personalized guided breathing sessions based on your heart rate, Like all heart rate tracking technologies, accuracy is affected by physiology, location of device, and different movements.
- Sync stats wirelessly & automatically to computers and 200+ leading iOS, Android and Windows devices.
- Operating temperature: 14 degree to 113 degree fahrenheit, Maximum operating altitude: 30,000 feet
- The minimum and maximum circumference range between 140 - 170 millimeters
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- Android mobiles
- iOS mobiles
- Stair climbing
- Weight lifting
The type of display or screen on fitness trackers varies widely by brand and price point—from a few LED lights to full color touchscreens. The main benefit of a screen is being able to read the time and your fitness stats any time of the day without needing to open an app on your phone or plug the tracker into your computer. This could be a positive or negative—some people prefer not to see progress and feel rewarded when they finally look at results and meet their goal. Others need a constant reminder of their status to push them to reach their goals. It’s totally up to you.
Oftentimes, you can also read smartphone notifications on a screen, depending on how advanced the tracker is. Every tracker will differ on what information is shown on the display, whether it’s the time, steps, heart rate, or other goals. Some will be a touchscreen, some will not. These aspects mainly affect ease of use, and will vary in importance by person. Finally, a display will also drain your battery more quickly, and come with a higher price tag.
For fitness trackers, batteries vary widely. Some trackers have rechargeable batteries that last anywhere from hours to days. Others take coin cell batteries like you would find a regular watch, which last a few months to a year. Needing to purchase and replace batteries can be a hassle… but so can plugging in your device every five or so days via USB cable to recharge it. Remembering to take the device off, charge it, and then remembering to put it back on, can seriously interrupt your fitness routine, especially if you’re worried you’ll forget it. Plys, if you want consistent sleep tracking, you don’t want to be charging it overnight. Both options have advantages and disadvantages to keep in mind while you compare options.
- Swappable bands (sold separately)
- OLED display
- Includes charging cable
- Heart rate sensor
- Splashproof & sweatproof
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