Product Comparison: Fitbit Flex vs Fitbit One

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Fitbit Flex Wireless Activity + Sleep Wristband
Fitbit Flex Wireless Activity + Sleep Wristband
Fitbit One Wireless Activity
Fitbit One Wireless Activity
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About the product Make fitness a lifestyle with Fitbit Flex—a slim, stylish device that tracks all-day activity like steps, distance, calories burned and active minutes. See how every day stacks up with LEDs that light up like a scoreboard as you get closer to your goal. Then wear it at night to measure your sleep quality and wake with a silent, vibrating alarm. Day or night, Flex fits comfortably around your wrist, is water-resistant, and has a 5-day battery life. It also syncs to computers and 150+ leading smartphones, so you can access your stats anywhere and see your progress in charts and graphs. -
Certifications FCC, CE CE
Distance covered Yes Yes
Weight Smal: 0.47, Large: 0.51 oz. 0.3 oz.
Calories burned monitoring Yes Yes
Manufacturer warranty 1 year(s) 1 year(s)
Origin USA China
Overstock 4.2 -
Package Charging cable, wireless sync dongle, 1 small and 1 large wristband, flex tracker Silicone clip, Charging cable, Wireless sync dongle, Sleep wristband
Reviews -
Size(s) Smal: 5.5 – 6.9, Large: 6.3 – 8.2 in. -
Alarm signals Yes Yes
Ebay 5 -
Model Flex One
OS compatibility Mac, iOS, Android, Windows -
Sleep quality tracking Yes Yes
Brand Fitbit Fitbit
Product manuals -
Protection Waterproof Rain, splash and sweat-resistant
Battery life 5 days 10 days
Manufacturer link -
Step counting Yes Yes
Bluetooth 4.0 4.0
Display No OLED
Type Wristband -
Material Rubber -
Color Black (also available in 7 colors) Black
Altimeter - Yes
Amazon - 4.3
Vibration motor - Yes
Accelerometer - Yes
Control - Button

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