Logitech M185 has a natural shape.it fits nicely in your hand.it is a neither to big or nor to small for use Logitech M185 mouse is two butten and scrolling wheel and m185 mouse is 10 meter effective wireless range you can use 10 meter long for nano use I can test 20 feet away to my computer its work perfectly the scrolling is smooth logitech used single AA battery and value price is low and their service and support has good m185 includes the safe storage for its nano receiver inside