About: - Guides you to get fit, lose weight and have fun doing it. Choose your color, clip it on and get moving - Tracks steps, exercise, overall calories burned, hours slept and quality of sleep. For best results, wear your UP MOVE on your wrist at night while you sleep - Track your food, drink, calories, nutrients and use the UP App Food Score to quickly know if you are eating right - Connects you with friends and family so you can reach your goals together or see how you measure up on the team leaderboards - Compatible with iOS and Android; Requires installation of free Jawbone UP smartphone app Details: - Colour: Onyx Burst - Model: JL06-03B03-CA Compatible devices Universal - Dimensions: 17.8L x 2.5W x 10.2H cm