X6 bluetooth smartwatch smart watch display: x6 smartwatches are fully customizable, allowing you to choose wallpaper, power on picture and power off picture. And you'll feel comfortable wearing every day for its soft band and little curved touch screen. Smart watch phone: you can operate x6 smart watch without a connection to another device when insert a micro sim card, just like a feature phone on your wrist. You can make a call, get message and more.(2g gsm networks, support carriers t-mobile and at&t, insert a 16gb micro sd card)