Amazon offers the Garmin Vivosmart HR Wireless Smart Activity Tracker w/ Heart Rate Monitor (Regular) for a low $99.99 plus Free Shipping. You save 33% off the price. Most places charge full price on this Activity Tracker. This has a 3.8 out of 5 stars rating with over 900 reviews on Amazon.

• Tracks heart rate to provide more accurate calories burned information
• Touchscreen OLED band displays steps, calories, and more
• 7-day battery life & waterproof up to 5ATM, enough for showers or swimming
• Anti-loss find your phone function indicates distance from phone & forces sound
• Smart Notifications can reminds you to stay active lets you monitor emails, texts, calls w/ vibration alerts
• 1 year warranty