Home Theater Projector Mini Portable 1280800 Native Resolution GSM 850/900/1800/1900 MHz , Single Micro SIM Card Lasts multiple days on a single battery charge This watch can also work with iPhone as a Bluetooth device(Means 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 because the iOS app is unavailable nowIMPORTANT NOTE: Please refer to the product manual available below the product description for detailed instructions about using the product. A link to download the APK file has also been provided in the PDF manual Bluetooth Dialer, Call Reminder, Bluetooth Call,Bluetooth SMS/IM Message Notifier Pedometer, Sleep Monitor, Sedentary Reminder, Remote Camera,Calendar 1.56&quot; TFT LCD Touch Screen 240*240 pixels 0.3M Camera, Video Recording Support