Logitech M305 Wireless Mouse - Blue Swirl Design, 2.4GHz USB Receiver, 12-Month Battery Life for Laptop, PC, Mac - Perfect for Office, Home & Travel Use

This is a nice little mouse with many color choices.Pros:- Inexpensive, not while ago the mouse under $20 would be considered "junk"- It works out of box with XP and Windows 7, no drivers needed- It has the on/off switch- The USB adapter is so small and fits tight to the laptop, you don't notice it- The default sensitivity is working greatCons:- It needs batteries, but rechargeable ones are OK- If you have a really large paw, it is a bit small- It is disconnected from the laptop/PC so you can loose it :-)Conclusion:This is a real "plug & play" or "set it and forget it" device.