Jawbone Up Blue Fitness Tracker, Medium

UP is a system, wristband app, that tracks how you sleep, move and eat so you can know yourself better, make smarter choices and feel your best.. Designed to be worn 24/7; up to 10 days of battery life. - Tracks sleep & activity using advanced sensor technology. - Log what you eat & drink & track nutritional info. - Get personalized insights that help you set & achieve your goals. - Set a Smart Alarm to help you wake up feeling refreshed. - Set Idle Alerts to remind you to move and stay active. - Team up with friends to share, collaborate or compete. - Power source: Rechargeable Lithium Ion Battery. - Available in Small (6.6 in), Medium (7.6 in), Large (8.1 in). - Know yourself. Live better.. What's in the Box: UP Wristband, Charging Cable (3.5mm to USB), Quick Start Guide, Free i