Indigi&reg; Universal Bluetooth SmartWatch For Apple iOS Samsung Android OS Nokia Windows SmartPhone Tablet Phablet Universally Compatible - (iOS & Android) + Pedometer + Sleep Monitor + Remote Shutter Bluetooth 4.0 Sync Smart Watch - Dial and Receive calls directly from the watch itself with the built-in MIC and speaker Powered by MTK2052 Processor - Bluetooth Sync, Heart Rate Sensor, Pedometer, Sleep Monitor, Remote Camera Shutter and more. Pedometer & Sleep Monitor - Record the number of steps taken throughout the day, view current walk distance. Wearing it when you sleep will help you monitor your quality of rest. Notifications - Receive notifications & messages from your smartphone device directly to your wrist