Measures Steps Taken Distance Traveled & Calories Burned Sleep Mode Monitors Sleep Time & Quality Automatic System Calibration & Movement Recognition Integrated Calorie Counter & Food Consumption Chart Saves Activity Data Readings Graphical Chart Display Bmi Indication Waterproof Up To 15ft Connects To Bluetooth-enabled Devices Wireless Data Transfer & Auto-sync Ability 12 LED Illuminating Lights Size Adjustable Flex Comfort Bracelet Aircraft Grade Aluminum Allot Construction gold