- Rubber
- Made in USA or Imported
- One syncs automatically and wireless to tablets, computers and 150+ leading iOS, Android and Windows smartphones using Bluetooth 4.0 wireless technology. Syncing two 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
- Tracks steps, distance, calories burned and active minutes
- Monitor how long and well you sleep
- Wakes you (and not your partner) with a silent wake alarm
- LED lights show how your day is stacking up against your goal
- Slim, comfortable and easy to wear (sold with both large and small wristbands included with an interchangeable clasp)
- Tracks steps, distance, calories burned and active minutes
- Monitor how long and well you sleep
- Wakes you (and not your partner) with a silent wake alarm
- LED lights show how your day is stacking up against your goal
- Slim, comfortable and easy to wear (sold with both large and small wristbands included with an interchangeable clasp)
- Sync stats wirelessly and automatically to your computer and over 150 leading smartphones
- 1 wristband which acts both as an Activity & Sleep wristband. There is no seperate Sleep wristband.
From the manufacturer
Syncs stats wirelessly and automatiy to your computer and 150+ leading smarts – including Android, iOS and Windows.
Share and compete with friends and family on the leaderboard and in NEW Fitbit challenges.
Fitbit Flex
Wireless Activity + Sleep Wristband
This slim, stylish device is with you all the time. During the day, it tracks steps, distance, and calories burned. At night, it tracks your sleep quality and wakes you silently in the morning. Just check out the lights to see how you stack up against your personal goal. It’s the motivation you need to get out and be more active.
- Activity tracking
- Sleep monitor + silent alarm
- Progress display
- Style + accessories
- Wear + battery Life
- Personal dashboard
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Activity trackingTrack steps taken, distance traveled, calories burned and active minutes. |
Sleep monitor + silent alarm |
Progress displaySee LEDs light up as you progress toward your daily goal. |
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Style + accessoriesStyle the slim, removable tracker your way with colorful accessory bands. |
Wear + battery lifeThe Flex is water water-resistant and has a 5-day battery life. |
Personal dashboardThe Fitbit app is full of graphs, charts, and tools designed to help you track your progress and better understand your health and fitness. |
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| Customer Reviews |
3.9 out of 5 stars
6,318
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4.2 out of 5 stars
9,916
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4.0 out of 5 stars
16,454
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3.9 out of 5 stars
43,224
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3.7 out of 5 stars
6,661
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| Price | $134.25$134.25 | $269.00$269.00 | — | $100.00$100.00 | $109.95$109.95 | $226.55$226.55 |
| Category | Everyday | Everyday | Everyday | Everyday | Active | Performance |
| Steps, calories, distance | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Clock | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Sleep quality & silent alarm | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Floors climbed | ✓ | ✓ | ✓ | ✓ | ||
| Active minutes | ✓ | ✓ | ✓ | ✓ | ||
| ✓ | ✓ | ✓ | ||||
| Continuous heart rate | ✓ | ✓ | ||||
| Music control & notifications | ✓ | |||||
| GPS tracking | ✓ |
Product Description
Product Description
From the Manufacturer
Buying Guide
Move it up: Since blood increases further up your arm, wear your tracker higher on your wrist to improve the heart rate signal during workouts. Start by moving the device up to three finger widths above your wrist bone, then experiment with slightly lower placement. Keep it secure: The less your tracker moves during exercise, the more chance you have of maintaining a heart rate signal throughout the activity. Do not wear the band too tightly, as this can restrict blood flow and goes against our wear and care guidelines. Hold steady for ten seconds: High intensity exercises or activities that cause you to keep your wrist bent (like push-ups) or move your arms vigorously (like dance) may interfere with heart rate signals. If you stop seeing a signal during these types of activities, hold your wrist steady for ten seconds during breaks to get your reading.
Manufacturer Contact Information
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