The Cellecor M4 Smart Watch comes with a 1.91-inch display for a brighter and wider visual experience. It offers 600 Nits brightness in every weather condition. This watch offers the best resolution of 240283 LCD. Moreover, it keeps you connected with your people through its Bluetooth calling feature. With this watch in your hand, you won t have to worry about its battery as it possesses 7 days of battery backup. What might sound like music to your ears is that it is loaded with health vitals monitors, multi-language support, and many more.