Bluetooth 4.0 Technology 13 function activity tracker - Pedometer, Distance Traveled, Calories Burned, Sleep Cycle, Time Clock, Text Messaging Alerts, Social Media Alerts, Call Alerts, Alarm Clock, Anti-lost, Remote Photo Shoot, Time Sedentary, Heart Rate.
Adjustable band - One size fits most.
Includes box and instruction booklet.
Use with free Hryfine APP.
Compatible with Android 4.3 and above, and iOS 8.0 and above.