Includes: • Flex tracker • Charging cable • Wireless sync dongle • 1 small wristband Wireless Activity + Sleep Wristband This slim, stylish device is with you all the time. During the day, it tracks steps, distance, and calories burned. At night, it tracks your sleep quality and wakes you silently in the morning. Just check out the lights to see how you stack up against your personal goal. It’s the motivation you need to get out and be more active. Activity tracking Sleep monitor + silent alarm Progress display Style + accessories Wear + battery Life Personal dashboard Size small fits wrists 5.5”-6.9” Battery life - 120h max RZS-000-01 ASIN ‏ : ‎ B00BGO0Q9O