Product Comparison: Fitbit One vs Fitbit Flex 2

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Fitbit One Wireless Activity
Fitbit One Wireless Activity
Fitbit Flex 2
Fitbit Flex 2
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Certifications CE CE
Distance covered Yes Yes
Weight 0.3 oz. 0.6 oz.
Calories burned monitoring Yes Yes
Manufacturer warranty 1 year(s) 1 year(s)
Origin China USA
Package Silicone clip, Charging cable, Wireless sync dongle, Sleep wristband 2 Classic wristbands (small and large), Charging cable
Alarm signals Yes Yes
Model One Flex 2
Sleep quality tracking Yes Yes
Brand Fitbit Fitbit
Protection Rain, splash and sweat-resistant Swim-proof for tracking swimming, life-proof for wear in the ocean, shower, pool and beyond.
Battery life 10 days 5 days
Altimeter Yes -
Amazon 4.3 3.9
Step counting Yes Yes
Bluetooth 4.0 4.0
Vibration motor Yes Yes
Accelerometer Yes Yes
Display OLED LED
Color Black Black
Control Button Button
About the product - Track activity & sleep and get notifications with this ultra-slim swim-proof wristband. The removable tracker fits in band, bangle & pendant accessories.
Features - SmartTrack Automatically recognizes select activities and records them in the exercise section of the Fitbit app.
Inactivity reminder - Yes
Caller ID - Yes
Size(s) - Small: 5.5 - 6.7, Large: 6.7 - 8.1 in.
Ebay - 4.8
OS compatibility - Mac OS X 10.6 and up, iOS, Android 4.4 and later, and Windows 10 devices.
Bestbuy - 4.5
Product manuals -
Manufacturer link -
Walmart - 3.4
MSRP - 59.95 $
Type - Wristband
Product benefits - Wear it in the shower, ocean or pool. Track swimming automatically and see your workout summary in the Fitbit app.
Material - Elastomer

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