All-Day Activity Tracking Bracelet - Find out how many steps you took, how many calories you burned and how much time you were active. Other functions: waterproof IP68, alarm, camera remote control, GPS tracking. Smart Notifications - It vibrates to notify you when your phone receives a call, SMS text or SNS messages, Compatible with iOS and Android phones. Sleep monitoring – It can help you gain a better understanding of your health and fitness.Your sleep duration and sleep phases are automatically recorded. Long battery life and easy charging – Built-in USB charging interface andamp;A long battery life.There is a USB connector on the back of the bracelet. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.