Main Features: Phonebook, synchronization of messages With an independent SIM card slot to achieve the functions of the phone, the smart watch can synchronize your contacts and your message. 1.3 inch touch screen1.3 inch touch screen IPS, very hard and scratch-free, the combination is high quality and fashionable. Sleep monitor:Can effectively monitor the quality of your sleep, including your sleep hours and the depth of your sleep, which helps you develop a healthy lifestyle.Pedometer:The smart watch can record your steps, distance and calorie consumption to get enough exercise at the same time to avoid overwork.Sedentary reminder:Extended sitting is a common problem for clerical groups. Wear this smart watch, it can be set according to a period of time to remind you to take a break in order to relax your bodyCompatible OS : Supports iOS and Android operating systems.! Note: Please note that some features can not support iOS at the moment.This watch phone will only work with GSM netwo