The Lenovo 530 Wireless mouse is now $10 at Amazon, an all-time low. Similar mice cost between $15 and $20 directly from Lenovo. Shipping is free for Prime members, too. It uses a 2.4GHz nano USB receiver, has a 1200 DPI optical sensor, and is rated for up to 8 million clicks per button. The ambidextrous design works for both left- and right-handed users, and a single AA battery powers it for up to 12 months. Buy Now at Amazon