Blue Add Black BAB UX Smart Watch with Heart Rate Monitor for Apple iphone 4/4S/5/5C/5S Samsung S2/S3/S4/Note 2/Note 3 Built-in light heart rate Sensor, Through ecg electrodes to detect human ecg signal, Output synchronization heart throb of the pulse signal,Pairing shortcut,Intelligent identification,Touch screen and Convenient to operation 24 hours record the movements of the wearer,Record the mileage,Steps,Sleep monitor and calories,Let the wearer know all the day's health results Multifunction,Sync smart phone communication records and call log also make and receive calls on the watch,Sync smart phone Messaging:this function needs to install the APP/APK for use in mobile phone terminal,Pedometers,Anti-lost,Sleep monitor UX Smart Watch with Heart Rate Monitor Pedometer for iphone 6 Plus/6/5/5S/4S, Samsung Galaxy S6/S5/S4,HTC,Sony,Perfectly compatible with IOS 7.0 or above and Android 4.1 or above Warm reminder:All the function mentioned can be used on android phone. But for IOS Phone, Remote Camera, Sync Call History, Looking for phone function can not be used. The pedometer data can not be sync to IOS phone,There is no APK for IOS