Get up and get moving with vÃvofit 2. It's the only activity tracker with a 1+ year battery life and backlit display. It even reminds you to stay active throughout your day with its move bar with audible alert that lets you know when you've been idle for an hour or longer. Product Type: Activity tracker Connectivity: Bluetooth, ANT/ANT+ Display: LCD Tracking Data: Distance, time, calories burned, heart rate (with optional heart rate sensor), activity, sleep activity, steps taken Battery Run Time: Up to 12 month(s) Dimensions (WxDxH): 0.8 in x 0.4 in Weight: 0.92 oz Manufacturer Warranty: 1 year warranty Product Description: Garmin vÃvofit 2 + The Manhattan Module Bundle Product Type: Activity tracker Tracking Data: Distance, time, calories burned, heart rate (with optional heart rate sensor), activity, sleep activity, steps taken Type: LCD - color Dimensions (WxH): 1 in x 0.4 in Wireless Interface: Bluetooth, ANT/ANT+ Form Factor: CR1632 Run Time (Up To): 12 month(s) Width: 0.8 in Depth: 0.4 in Weight: 0.92 oz Preloaded Software: Time, Goal countdown Protection: Waterproof Included Accessories: USB ANT Stick, Nixon Square cyan wristband (120 - 175 mm), Bridget black wristband (120 - 175 mm) Warranty: 1 year warranty Min Operating Temperature: 14 °F Max Operating Temperature: 140 °F