Basically it's very comfortable to use but after years using ordinary mice it takes some getting used to, and not just because your hand stays still rather than moving as normal.. Firstly, the trackball movement is VERY light, it takes some practice to get used to the tiny thumb movements that move the pointer, but once you are used to it you can get both fast large movements and delicate ones. The slightly bigger issue is the placement of the two page forward and back buttons (the functional ones, not the usual right and left click) and the scroll wheel. On a normal mouse the two buttons tend to be on the side and worked with your thumb, fine, it's often all your thumb has to do after all, but with your thumb working the trackball those buttons have to be worked with your index finger, which is OK as they are well placed for that. But then which finger is best to work the scroll wheel? The index finger would be usual but that gives it an awful lot to do, so I find I swither and sway a bit between using my index finger and my middle finger on the scroll wheel. Still having to get used to that. Finally, the ergonomic angles are great, much more comfortable than with an ordinary flat mouse, but a better ergonomic conventional mouse would give some of the advantage there as well, but fair's fair, it is comfortable in the hand ... so long as your hand isn't too big. If you have very large or small hands you may struggle, it's designed and sized for 'normal' sized hands. If you're more than a couple of sizes away from a size 7 glove you might find it a bit uncomfortable. And don't forget, it's useless if you're a lefty, it's strictly for your right hand only. The only other point I find interesting is that I tend to find myself doing less on the keyboard with my right hand and more with my left as with the right hand set on the mouse and settled in it's better to keep it there. So if it fits, and you're willing to put the time in to get used to it, absolutely worth trying, I consider it a definite keeper. Combined with a space mouse, CAD is transformed.Read full review
Verified purchase: Yes | Condition: New
The only problem with this piece of tech is the high cost, I have used the wireless and wired version of the trackball for several years and cannot fault it. For graphics work it is possible to work faster than the computer will allow, much quicker than a standard mouse once you have practiced using the ball to move the screen curser. The design fits comfortably into the palm of your hand, the buttons are easy to use, so if you can afford to purchase this mouse you will never want anything else. The design creates minimum to zero strain on your wrist and you don't need a whole desk area to move it about like a standard mouse, in fact I often balance it on the chair arm with laptop on my lap. You can adjust the speed of the curser and customise the buttons too, it is the perfect tool for all laptops and desktop computers.Read full review
Verified purchase: Yes | Condition: Pre-owned
I've been used to the corded trackball you operate with your fingers. This one, you operate with your thumb. I bought it for the cordless aspect (fed up with tripping over the wires) and found the change a bit hard to get used to at first. It's settling in now, and it works really well, especially for click-and-drag operations, which were hard on the previous one. It has a dedicated scroll wheel, too.
Verified purchase: Yes | Condition: New
I've been searching for one of these and finding them just so very expensive on other sites. It's nice to be able to afford one. I have arthritis and a tremor which makes using an optical mouse very painful. This is much easier. The ball still darts everywhere because of my thumb, but it is so much better.
Verified purchase: Yes | Condition: New
Good product and has reduced my wrist strain already after only 2 weeks of using it
Verified purchase: Yes | Condition: New
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