![]() ![]() I removed the ball and lightly added a Teflon dry lub to the ball - this stuff is smooth and the weight of the ball adds an inertia component needed for a quality action. It needs to clamp or snap onto the body so that it stays in place. I will be swapping out my other mouse units for a Kensington Scroll Ring Mouse.Ĭons: The extension pad which is packaged separately, that attaches to the mouse body to give your arm / wrist support, is not at all well designed to attach to the mouse, The tooling out design of the pad does not snugly fit onto the mouse body. This one does using the ring controller - well designed and is a pleasure to use. Why I hesitated in the purchase of a trackball is that many did not have a page scroll control which, for my use, is essential. A hand held mouse does not have the speed, comfort and accuracy of a trackball. This trackball is what I have been missing for years and did not realize this until now. $30 is affordable but a bit steep for such a toy. ![]() The glue easily absorbs oil and becomes soft, causing the pads to come off. The three rubber pads on the bottom are glued on. It's assembled with very tiny screws that require an uncommon star-shaped screwdriver which makes DIY maintenance impossible. This becomes more severe over time until the buttons become unresponsiv e. After only a few weeks of light to moderate use, or a few days of heavy use, the buttons will begin to automatically double-click on occasion. The driver software can be configured to create a third virtual button when you click both physical buttons at once but it's not compatible with many game and office applications and it hogs the CPU. The buttons are aren't positioned or shaped comfortably. ![]() ![]() The ball is too small which limits it's range of motion. While the trackball can be removed for cleaning, the scroll ring cannot. Step 1 Please make sure the driver has been installed via Windows update Select and click the START icon and select Settings Step 2 Select ACCOUNTS Step 3 Click on the SIGN-IN OPTIONS tab and click the SET UP button on the Windows Hello Fingerprint option. But the whole mouse is small enough to fit mostly in the palm of my hand. The ring and the trackball move very smoothly even after months of heavy use and the optical sensor is accurate and durable. Too small, 2 buttons, bad software, cheap switches, strange screws, cheap pads, over priced. ![]()
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