Defender Netsprinter Mouse MM-440 Black 3 Buttons 1000 dpi Mouse gives you the most special treatment with its design and looks. It looks very smooth and stylish with the ultra flat design as the mouse is only 2 cm high. Mouse connection type is the standard which is a wired connection. It has the standard setup of 3 buttons in total. The buttons are easy to press and the mouse, in general, is easy to use.