C100 Ultra A Smart Watch Support A SIM Card The C100 Smart watch Ultra 5G Andriod System is also the best choice for anyone who wants a big-screen smartwatch that doesn't break the budget and has all the features of a smartwatch, especially when you consider the price.The C100 Ultra 5G Smartwatch offers a pleasant and rich experience overall, and it works well enough to let you browse and use various apps Like All Soicial Media Apps (what's app,Facebook,Tiktik,Instagram,youtube,telegram and etc) One of the most important updates changes the menus, icons, and appearance of the software. Most navigation is done via the touchscreen, on which you swipe left, right, up, and down to access the main sections of the software. Swipe down from the top of D to enter the control center, you can turn on Bluetooth phone, wallet function, business card, constant display, do not disturb, brightness, alarm clock, phone search, and other functions.The Smart Watch C100 ultra 5G Andriod Also Support a Huge ample Storage Space of 16GB, Allowing you to Store your Favorite Music, Photos,Videos, And More, With 2GB of RAM, it ensures Smooth Performance and Efficient Multitasking,Enjoy Perfect Balance of storage and speed with the C100 Ultra 5G Andriod System.The C100 Smart watch 5G Ultra smartwatch has sensors like heart rate and body temperature, making it one of the best sensors on the market and known for delivering great results. This will help you take better care of your health and encourage you to be more active.Work on any Smartphone Aandriod And IOS operating system.