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. To remove the band for charging, pull it downward at the same angle as the charging port—do not pull it straight out, as this may cause the connector to snap.
