Logitech V220 Cordless Optical Mouse (Dark Silver) for $13.99 after a $8 rebate. It is available in Scarlet Red, Cobalt Blue, and Blush Butterfly. Here is a screenshot for your reference. This mouse is designed with soft rubber grips and features side-to-side scrolling and zoom, along with up to 6 months of battery life. It usually goes for over $20.