Fitmotion Activity Tracker - Step Counter +Sleep Monitor + Calorie Counter + Wireless Sync With Smart Phone Tracker App Features: Tap Fitmotion Twice and the 12 Led Display Shows the Current Progress Toward your Daily Set Goal Followed by the Current Time - Measures Steps Taken, Calories Burned, Distance Walked, and Sleep Quality/ Duration - Wirelessly Sync Data To The Fitmotion Tracker App, Available Free For Download (Apple/ Android) - No Charge Design. Fitmotion is Powered by a Long Lasting, Replaceable CR2023 Cell Battery for Non-Stop Health Monitoring. - Use the App to Set Personal Goals for Calories Burned and Restful Sleep Earned. - Check Calendar View for a Quick Overview Of Your Progress Overtime. - Got Questions? Get Instant Answers From Fitmotions Built in FAQ - Fitmotion Is Waterproof Up To 15 Feet. Take it for a Swim Or In The Shower! Package Includes: Fitmotion Tracker Cell - Adjustable Sport Flex Band - CR2023 Battery - Battery Installation Tool Measures: Steps Taken - Calories Burned - Distance Traveled - Sleep Quality/ Duration Specs: Material: Anodized Aircraft Grade Aluminum Alloy - Dimensions: 34.9 X 34.9 X 8.7 Mm (L X W X D) - Sensor: 3-Axis Accelerometer - Battery: Cr2023 Button Cell - Battery Life: 90+ Days - Weight: 0.22 Lbs. - Compatibility: Bluetooth 4.0 And Higher - Apple IOS Version 6.1+ - Android 4.3+