Idle alert - Reminds you to move when you've been inactive for too long. Smart alarm - Wake up feeling refreshed-at the right moment in your sleep cycle. 10-day battery - Track every last step (and nap) without running out of juice. Water resistant design - Able to withstand thousands of showers, and the occasional snowball fight. Day and night form factor - Designed for comfort. Because the more you wear it, the more you'll track. Power nap - UP will wake you up at the optimal time (around 26.5 minutes) after you fall asleep. Simple sync - Simple and easy connectivity. Just plug it in. Complement your UP experience and connect to your favorite apps - or discover new ones - within UP. Track your weight, map your bike rides, access extensive food libraries and more, and that data will be seamlessly integrated into your UP feed, lifeline and trends. You can also view detailed UP sleep, movement, food and mood data within selected apps to make those experiences even better. Tech Specs UP band dimensions + weight Small â€¢52 mm W Ã¯Â¿Â½Ã¯Â¿Â½ 35 mm H (inner) â€¢66 mm W Ã¯Â¿Â½Ã¯Â¿Â½ 50 mm H (outer) â€¢Perimeter distance: 141mm (inner), 198 mm (outer) â€¢19 g Medium â€¢63 mm W Ã¯Â¿Â½Ã¯Â¿Â½ 40 mm H (inner) â€¢76 mm W Ã¯Â¿Â½Ã¯Â¿Â½ 54 mm H (outer) â€¢Perimeter distance: 167 mm (inner), 220 mm (outer) â€¢22 g Large â€¢69 mm W Ã¯Â¿Â½Ã¯Â¿Â½ 43 mm H (inner) â€¢81 mm W Ã¯Â¿Â½Ã¯Â¿Â½ 56 mm H (outer) â€¢Perimeter distance: 180 mm (inner), 236 mm (outer) â€¢23 g Power & Battery â€¢Lithium-ion polymer battery â€¢Up to 10 days of use between charges â€¢USB charging cable-fully charges in 80 minutes Sensor & Interface â€¢Precision motion sensor â€¢Single push-button interface â€¢Vibrating motor for notifications â€¢Dual LEDs Software Compatible devices â€¢iOS 5.1 or greater â€¢Android 4.0 (Ice Cream Sandwich) or later See full list of compatible devices Materials & Care â€¢Medical-Grade, Hypoallergenic TPU rubber In the box â€¢UP band â€¢Quick start guide â€¢USB charging cable
Sleep and nap Tracking - Intelligently tracks hours slept, light vs. deep sleep and waking moments.
24/7 activity tracking - Track every move, including distance, calories burned, active time, and activity intensity.
Food & drink tracking - UP makes it fun and easy to keep track of what you eat.
Mood tracking - Log your moods and discover connections that affect how you feel.
Insight engine - Discover hidden connections and patterns in your day-to-day activities