PHtronics &trade;DZ09 Bluetooth Watch Phone with SIM Card Slot and NFC for IOS Apple iPhone,Android Samsung HTC Sony LG Smartphones(Gold) All in one Smart Watch and Cell Phone Watch. Insert Sim Card and use as a regular Cell Phone. Pair to Android or IOS smart phone and use as a smartwatch. Push notifications to watch, such as email, SMS, Caller ID, calendar and your favorite apps on your wrist etc.(Software required to us notifications function) 1.54" TFT LCD 2.5D Radian Capacitive Touch Screen 240*240 pixels, OGS Laminating Process Build in Function: Sport health Monitor ,Pedometer, sedentary remind, sleep monitoring, Message Reminder, Call Reminder, Answer Call,Dial Call, Remote Control, anti-lost, NFC for quick pairing PHtronics All-in-one Smartwatch work with iPhone as a Bluetooth device such as you can receive a call or make a call also sync your contacts to this watch via Bluetooth .But Some functions like Notification Push,Remote capture,Anti-lost are currently unavailable on iOS