Fitness Tracker Activity Tracker Pedometer Smart Bracelet Wristband Watch by iSunshine&trade;, Compatible with iPhone IOS7.0+ or Adroid 4.3+ Phone Compatible with Android phone/tablet with 4.3+ system and iPhone/iPad with IOS7.0+ system Remote Shutter: Remote control of your cellphone camera, make your selfie much more natural then using a selfie stick If meet any problem, send us a mail, we will reply within 24 hours Vibrate to remind: Alarm clock, calls, text messages, won't disturb or wake up other people. If the is set "day time" between 9:00am ~ 9:00pm, the remaining time is "sleep time", the tracker does not count steps during "sleep time". Pedometer: Track steps, distance, calories burned, active time and sleep time statistically, all data record can be displayed both on the tracker&#39;s own OLED screen and phone APP