Extra-small shapeThe Mini Mouse is so small itll easily fit in your purse handbag or pant pocket for extra-portability.Tiny nano receiverThe nano receiver is so small it stays in your USB portwithout worry of losing or breaking it. If you do need to remove it it stores inside the mouse. Youll enjoy the freedom of wireless with more precision and control than your laptops touchpad.Logitech Advanced 2.4 GHz wirelessSay good-bye to cords and enjoy wireless freedom (up to 10 meters (or 33 feet)) so its easy to use your mouse on the couch with your laptopor even when youre hooking your laptop up to your TV.Logitech reliabilityYou get the high quality and reliability that have made Logitech the global leader for miceplus a three-year limited hardware warranty.