Logitech M515 Couch Mouse Black Smoke SCRATCHES! (MOUSE ONLY)

Hand-activated power Your hand instantly activates the mouse so it's only "On" and ready when you are Stays asleep when you're not using it to conserve battery power   Long-lasting power 2 full years of battery life means you almost never need to change batteries On-Off switch and smart sleep mode save power Battery indicator light eliminates surprises   Easy-gliding sealed base Rounded base lets you move the mouse effortlessly across uneven surfaces like a crumpled blanket Sealed bottom—fabric fuzz won't collect in the sensor opening so you always get accurate tracking    System requirements: Windows 7 Windows Vista Windows XP Mac OS X 10.5 or later YOU MUST ALREADY HAVE A LOGITECH UNIFYING RECEIVER   Package includes:  SALE IS FOR THE MOUSE ONLY - USB RECEIVER IS NOT INCLUDED MOUSE IS IN USED ACCEPTABLE CONDITION AND HAS BIG SCRATCHES Logitech M515 Wireless Mouse Logitech Unifying receiver - NOT INCLUDED Product Warranty: 30 Day Return / Exchange Po