Closer look at the Silent Mouse
The SM-7000B is a tiny black mouse with smooth rubbery plastic, two main buttons, a scroll wheel with middle button, and a DPI selection button. The Nano receiver is about one inch long and connects to USB port of the computer.
This silent mouse uses two AAA alkaline batteries and included in the package are two batteries, so you are ready to rock once you get the package open.
The sensitivity of the laser used to track the movement of the mouse can be adjusted to 1000 or 1600 dpi via a switch on the top of the mouse. SM-7000B uses a red sensor for its scanning. The diode is not visible when the mouse is standing in normal position on the table, though you can always look at the screen if the mouse pointer is moving.
SM-7000B is smaller in the hand than my Deathadder or UltraX or most of today mouse, and for people with larger hands and/or long fingers, it’s a little bit too small. I don’t really know why the mouse makers automatically assume that a notebook mouse has to be smaller than a desktop model… space or weight saved in the brief case is not significant .