A1 Smart Watch, with SIM Card, Memory Card, and Camera SIM Smart Watch doubles as a mobile phone since it uses SIM cards. You can connect through Bluetooth as well. Make phone calls from your wrist watch, surf the internet, send SMS, receive notifications, record audios, play music, take pictures etc. It also features a pedometer and is compatible with Android/IOS Phones (Sync, Social media /SMS via Bluetooth is For Android only). Takes up to 32GB SD card. Special features of the smart Watch.SIM card / Bluetooth phone call / answer Dial or answer a phone call from your wrist watch Messaging: Effortlessly send/receive messages to have a good interaction with your friends Phonebook / call log / message/ music sync Easy synchronisation with your smartphone Bluetooth connection: Connect the watch via Bluetooth, only need simple approaching Music playing: Enjoy splendid music anywhere and anytime 0.3M pix camera: You can freely take phone by using the camera of the watch or remote control your universal smartphone 1.54 inch TFT HD LCD touch screen: Best suitable screen size with high definition picture for a great experience Sleep monitoring: Carefully monitor your sleep quality Pedometer: Manual steps counter Sedentary reminder: Develop scientific habits and effectively resist sub-health. Anti-lost /finding phone.