BT/Pedometer/Calorie CounterGetting into shape, losing weight and moving more each day are all really tough to do. An activity tracker can help. Seeing how much exercise you get day-by-day and week-by-week, can motivate you to start taking the stairs more or walking an extra lap around the block. At the very least, it will make you more mindful of your present activity level, which is a huge first step to getting fit. 0.49" OLED Display, Built-in BT 4.0 Allows You to Connect to External BT Enabled Devices, Compatible with Android 4.3 and Above, Compatible with Iphone 4S, IOS 7.0 and Above, Tracks Steps, Distance, Calories Burned and Active Minutes, Monitor How Long and Well You Sleep, Wake Up with a Silent Wake Up Alarm, LED Lights Show How Your Day is Stacking Up Against Your Goal, Slim, Comfortable and Easy to Wear, Incoming Call Alert, Water Resistant, Rechargeable Battery (40mAh), Reach up to 49ft., When You are Ready to Start Your Fitness Goal, Download the Zeroner App On Your Phone and You are Ready to Go!