This Smart Watch which is compatible with all Bluetooth V3.0(Minimum version 3.0) or above. It can work with Android with all functions and download the app. This watch can be connected by bluetooth with smartphones, tablets and PCs, such as Sumsung S7/6/5/4/3, Note 5/4/3, HTC ,LG, Nexus, Sony etc.Stop-watch : This Pedometer Watch is an excellent timekeeper .Phonebook : Pedometer Watch shows up to 1,000 phone number .Power save : Pedometer Watch Works for longer time after you start this function. Camera Remote Control: you could use this function of Sports Watch for taking a remote selfie.Bluetooth Music: This Pedometer Watch Let you enjoy wireless music from your phone through Bluetooth.Dialer: Pedometer Watch shows received ,not received ,dialed phone number. Message Reminder : Pedometer Watch shows the messages sent and received,and it needs to install SMART WATCH apk to use this function.Pedometer :It is a good Pedometer Watch to tell your sports situation, how many steps you walk, how far you run , it is good monitor for health. Anti-lost : The Pedometer Watch will alarm if the distance between watch and phone exceeds what we set,you could set the distance: NEAR,MID and FAR. \nFunctions Camera Remote Control,Anti-lost alarm,Barometer,Bluetooth Music,Pedometer,Altimeter,Stop-watch,Power save,Phonebook ,Dialer,Sports Messages Calls Reminder.