EFOSHM SAFE Sport V8 Smart Watch for iOS and Android Smart Phones, Tablets, and Accessories (Red) Most of functions are compatible with iPhone 4/4S/5/5S/6/6 Plus, Except 'Messages', 'BT notice' and 'BT camera'. Function: Passometer,Message Reminder,Call Reminder,Answer Call,Dial Call,Remote Control,Push Message,Altitude Meter Sedentary Reminder: Pedometer - It is a good friend to tell your sports situation how many steps you walk,how far you run,how many Calories you burn.