Full round touch screen?? resolution: 240*240 pixel; 260000 colors. Wonderful display and brilliant mirror effect.</br>Support both IOS Apple and Android OS. For iPhone 4??5??6 6S Plus Samsung Galaxy s2 s6 s7 edge?? Sony?? LG or other bluetooth devices</br>2-in-1 SIM/TF card slot design makes it distinctive and convenient. It supports GSM 850/900/1800/1900 MHz Network. RAM: 128Mbit+64Mbit; TF support max 16GB.</br>Main function: Heart rate checking?? Anti-lost?? Step records?? Calories calculation?? Distance calculation?? Sedentary alarm?? Sleep analysis?? Remote camera?? Alarm clock?? Calculator?? Stopwatch?? Bluetooth information synced etc.</br>High-end design: Smart watch with only 8 mm thickness?? appearance vogue and delicate wristwatch design for both men and woman</br></br>Product Description</br></br>Specification: Support minimum cellphone version: Android 4.4?? Apple 7.1 Displa: Voltage: 3.7V??Current: 8mA;. T