This smartwatch has a smooth and compact design. It’s metal case contains a large capacitive screen for highest readibility of data and icons. The free APP is compatible with Android and iOS. Main functions: SIM card and micro SD card slot, hand-free phone, camera, remote shutter, MP3 player and notifications for social media and e-mail. It will keep track of your sleep quality and inactivity. It recharges via the micro USB cable included. It comes with a lukury gift box. Metal, Silicone Plastic.