Move bar w/audible alert- Reminds you to stay active throughout the day by displaying a red move bar and sounding an alert after one hour of inactivity. Additional segments lightup for every 15 minutes of inactivity. Walk for a couple of minutes to reset.
Backlit Display - The display is always on so you won*t miss a beat. Turn on the backlight to see your stats, even in the dark.
Sensor Compatibility - Pairs with heart rate monitor chest strap (included in bundle package).
1 + year battery life - vvofit 2 stays on for more than a year without having to change the battery, so you don*t have to worry about recharging.
Auto Sync - vvofit 2 automatically syncs with paired mobile devices3 at strategic times throughout the day, such as when a goal is met or when several steps have been taken since the last sync.

Technical Details

Size (LWH): 5.91 inches, 3.7 inches, 2.44 inches
Product Details
Product Dimensions: 5.91 x 3.7 x 2.44 inches
Shipping Weight: 1.7 pounds (View shipping rates and policies)
ASIN : B00RZA0G70