The M4 is a budget model that does not give up important features such as the 1.1-inch color OLED display which has dimensions of 126 x 294 pixels. It has a design with 20% more content than in the previous model and can be used with different interchangeable straps. It has dimensions of 47.2 x 18.5 x 12.4 mm and a weight that varies depending on whether or not...
