Fitness trackers never looked so good. On the outside UP2; is the thinnest, sleekest, style-savvy tracker out there. On the inside, Smart Coach generates fitness insights and activity plans that make reaching your goals that much easier. And with over a full week of battery life (up to 10 days) youll be charging less, and living better. Smart Coach gives you the motivation and personalized insights you need to reach your goals, no matter where your day takes you. Plus it gets smarter over timeas Smart Coach gets to know you, insights and tips get better and better. And so will you. Activity tracking is the simplest way to get credit for your steps, exercise and overall calories burned throughout the day. Knowing is the first step to get more active and stay motivated. Easily track hours slept and quality of sleep. Smart Coach learns your habits and gives you personalized suggestions to help you get to bed on time. Smart Alarm; silently wakes you up at the optimal moment in your sleep cycleso you feel refreshed. Log your meals and track calories with the UP barcode scanner, restaurant menu search and food database. Smart Coach guides you to healthy habits and gives your meal a Food Score, because theres more to eating well than counting calories. Get alerts while staying in the flow of your day. UP2; uses a simple vibration at the wrist to wake you up at the optimal time with Smart Alarm. It even lets you know when its time to get up and move with Idle Alert. Wrist monitor. W1.5, . Batteries required 1 x rechargeable (included).