• Waterproof down to 30 feet underwater (IPX8 compliant)
  • Automatically track steps, exercise, calories, and quality of sleep
  • Receive call, text, and calendar notifications
  • Rechargeable battery life of 7 days
  • 1 year warranty fulfilled by Waterfi see details
  • Sizing Guide


Introducing the Waterfi Swim Tracker


You can now submerge your Fitbit Alta HR down to 30 feet underwater. Enhanced with our long lasting PlatinumX Waterproofing Technology your adventures have no bounds. Go aquatic or dry land, it’s ready to be fully immersed into your active life. Our Process


Fitbit has created “the world’s slimmest wristband with continuous heart rate” and the Alta HR has brain to match the elegant brawn. Sleek lines, a slim body, and easily interchangeable bands means the Waterproofed Alta HR is always perfectly matched to your activity and style.

The Waterproofed Fitbit Alta HR is the world's slimmest wristband with continuous heart rate monitoring


It’s what you have been waiting for! The Alta HR now has PurePulse® Heart Rate that tracks continuously throughout the day and night. Get a more accurate measure of your workout effort and calorie burn, get greater insight into your health, and reach your goals.

The Waterproofed Fitbit Alta HR features PurePulse Heart Rate monitoring


Personalize your goals and see detailed stats about your daily habits and progress on the Fitbit App. Log meals, compare workouts, route runs, and connect with Fitbit wearing friends. View Supported Devices

The Fitbit Dashboard allows you to personalize your fitness goals


Track and analyze your movement throughout the day to keep an eye on steps taken, distance traveled, active minutes, and calories burned.

See calories in vs. calories out through Calorie Coaching and set step, weight, and activity goals to achieve personal health victories.

Move more and sit less throughout the day motivated by small hourly goals and Stationary Tracking.

Measure your hours asleep, quality of rest, and resting heart rate. Set a silent alarm to gently wake you renewed and ready for the day ahead.


Your Waterproofed Fitbit Alta HR is warranted by Waterfi against defects in materials and workmanship, under normal use, to the original recipient for one year beginning from the original date of purchase. see details

Note: The item for sale is a Fitbit Inc. product that has been modified after purchase by Waterfi LLC. The item is not covered by any warranties offered by Fitbit Inc. Waterfi LLC has no relationship to, or affiliation with, Fitbit Inc.


What's included with your Waterproofed Fitbit Alta HR

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