eBay {Features} - Built-in Camera, Message Reminder, Call Reminder, Answer/ Dial Calls, Remote Camera Control, Push Messaging, Anti-lost, Pedometer, Sleep Tracker, Calendar, Calculator, Alarm, Audio Player & Many More! Health Monitoring - Conveniently take control of your health using the watch for features such as; sleep monitor, Step counter, Calorie Counter, Drink Water Reminder & more! Sim Card Slot - Browse the web and connect with friends on apps such as Facebook, Twitter, Whatsapp & more by simply inserting a sim card (Not Included) into the smart watch. Although this is not needed as the watch is Bluetooth compatible, inserting a sim essentially turns the smartwatch into an independent android smartphone. Functions for Androids - Downloading the APK app on your android phone allows you to enjoy the full functionality and features of the DZ09 Smartwatch. Features include; Answer Calls, Dial Calls, Contact Sync, Audio Player, Camera, Calculator, Calendar, Alarm, Sedentary Reminder, Anti-Lost, Push Notifications, Text Messaging, Sleep Monitor, Pedometer (Step Counter), Calorie Counter and Remote Camera Control. Functions for iPhone - Connect via Bluetooth to the watch and the following functions can be used; Answer Calls, Dial Calls, Contact Sync, Audio Player, Camera, Calculator, Calendar, Alarm, and Sedentary Reminder.