Fitness trackers with a rectangular monochrome display
prices on 45 modelsRectangular monochrome
— the presence of a monochrome (single-colour) display of a rectangular shape.Monochrome refers to all single-colour displays—that is, those that use only one base colour. These are not only black and white panels, as many people think, the main colour of the screen can be almost anything — white, yellow, green, blue, etc.
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