Easy to use, touch gently at the corner of the screen, it will show time, data, steps, distance and calories in sequence. Sleep monitor report and activity report can also be checked with smartphone or tablet APP. It's compatible with Android device with 4.3+ system or iPhone4S/5/5C/5S/6/6plus, iPad air 1/2, iPad mini 1/2/3, iPad pro with IOS7.0+ system
Vibrate to remind alarm clock, calls, text messages without disturb others around
IP67 Waterproof, no need to take off during swimming or showering
The strap fit wrist up to 8.0 inch
If meet any problem, send us a mail, we will reply within 24 hours