Capacitive touch display and with round shape, high quality display, quick touch and perfect design bring you comfortable user experience. Inserted Micro-SIM card can be used as a phone and inserted TF card , Make calls or answer the phone directly when paired with Android or iOS smartphone. For iPhone, it can be paired with phone via Bluetooth, but there is no corresponding APP, it only supports partial functions, including Calls and Message Sync, 0Pedometer, Calculator, Clock, Music player,ect. There is no push notifications from social media messages. Smart Notifications: connect your smartphone via Bluetooth, it supports receive push notifications from Anti-lost, Remote camera, Calls, Message, Wechat, QQ, E-mail, Whatsapp, Facebook & Twitter etc, you can check at all times, any message will not be missed more. Health Tracking: Pedometer, Sleep Monitor, Sedentary reminder, enjoy sports by recording your total steps, distance traveled and calories, allows you to understand your quality of sleep, enjoy your life anytime and anywhere.