Kensington SlimBlade Wireless Mouse w/ Media Controller for $23.21. Shipping is free on orders over $25. If needed, use this Filler Tool to qualify for free shipping. Here is a screenshot for your reference. This wireless mouse has a scroll ball that provides 360-degree scrolling with multifunction navigation pad that controls digital media remotely, including volume control, track control, play and pause. Most places have it for about $47.