520 1000 DPI Platinum Wireless Mouse Lenovo 520 Wireless Mouse is the ideal companion and perfect for mobile or office use. A plug-and-play device delivers wireless convenience with 2.4GHz wireless technology using a nano receiver. Get greater comfort and the best ergonomics with this uniquely contoured design. With a durable and smooth touch finish Lenovo 520 wireless mouse is simply the mouse of preference: easy to use, mobile and most importantly, reliable.Please note this item is non-returnable, see our returns policy for more information.