Indigi&reg; Black Bluetooth Sync Smart Watch Phone -All-IN-ONE - Time | Calls | Caller ID | OLED Screen | Phonebook | Messaging | Remote Norification* | Music | Call History | Anti-lost Alert | Built-in Mic & Speaker | Ringtone & Vibrate | Stopwatch | Alarm| Leather Wrist | 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