Designed for PCs and Macs, the Expert Optical Trackball employs Kensington's DiamondEye optical technology for smooth, precise cursor movement. I don’t remember it being this loud from my audio days, but that was 5 years ago and I’ve slept since then, so I probably forgot about it. com and PC Magazine are among the federally registered trademarks of Ziff Davis and may not be used by third parties without explicit permission.

The left button definitely got worn after two years or so, but it’s just cosmetic – the glitter coating is only a couple of microns thick. They offer economy of movement—all the work falls to a few fingers that, while they move a lot, never have to stretch.Explore Comet and discover a constellation of products from washing machines and fridge freezers to air fryers, 4K TVs, laptops, consoles and more - it’s easy to find everything you need for your home in the Comet universe. The large ball rolls smoothly and allows for fast movement across the screen with very small movements.

Truly, the ring feels like a feature that every trackball designer should steal gong forward, and it's shocking that other devices handle scrolling in other ways. Two great features as seen on the wired Expert are back: the large ball (now in red), which provide great control and accuracy, and the scroll ring around the ball, allowing you to scroll easily using your ring finger. Until I publish the review, take a look at the features of the Kensington Expert Wireless Trackball below, or read the review of the Wired Expert model.I have the Orbit with Scroll Ring which is excellent but I could use more flexibility with additional buttons. Add it all up and you get exceptional comfort and ease-of-use from the brand that has set the industry standard in trackballs for more than 30 years. The need to be accurate at high speed is rare unless you play video games or edit art professionally.