A:Answer The mouse is 4" long by 2-3/8" wide by 1-1/4" high at the hand heel. It's slightly smaller than a standard mouse. It's made of hard plastic so you would need to protect it against been pressed hard. I carry it in my backpack w/o problems. I really like the size and feel of this mouse. By the way, the BlueTooth button at the bottom, also functions as the power button, simply press it briefly once and it'll turn off (I saw someone else's post complaining about not being able to power it off).
