1. Watch function 2.Alarm clock reminding 3.As pedometer when running 4.Test one's exercise situation 5.Can be used as the remote shutter 6.Ringing reminder when you receive a call 7.Ringing reminder when you receive the message 8. Anti-lost alarm function 9.Block one's calling 10.Stopwatch function 11.Smart Bracelet is compatible with many phones and tablet PCs equipped with Bluetooth 4.0 and running Android 4.3 or later, and iOS 6.0 or later. Display size: 1.1 inch