Fitbit ONE Activity + Sleep Tracker Black

Get motivated by becoming aware of your daily activities

Accurately tracks steps taken, stairs climbed, calories burned and distance traveled.

Discover your sleep patterns

Slide your device into the included wristband to measure the quality and length of time you sleep. Wake peacefully without disturbing your partner with the silent, vibrating alarm.

Log meals and activities to gain insight into your daily habits

Easily chart your food and water intake, workouts and more. Understand your day-to-day habits so you can make small adjustments that will amount to something big.

Rechargeable battery

Lithium-ion polymer battery can be charged with the included cable, which connects your device to your computer's USB drive.

See real-time progress by syncing wirelessly with smartphones, tablets and computers

Automatically syncs through Bluetooth 4.0 with select devices, saving you the hassle of having to connect cords or manually enter data.

Free online tools provide a network of support

Monitor your progress online with a customizable dashboard equipped with tools, charts and graphs so you can visualize your progress.

Challenge your friends for extra motivation

Compete against and cheer on your friends and family. Compare stats and see how your progress measures up.

Celebrate your progress

Earn Fitbit badges for daily, weekly and even lifetime achievements.

Get more from your favorite apps

Automatically connects your data with popular health and fitness apps. Your device and selected apps work together to streamline your experience and help you reach your goals.

Discreet and comfortable to wear

Clip the device to your pocket, belt or bra. Built to withstand rain and sweat.

Check your stats, even in low-light conditions

The backlit digital LED display offers a clear view no matter the lighting.