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Logitech's patented Optical Marble technology ensures smooth cursor movement, while 27 MHz cordless digital radio technology gives you reliable cordless freedom. The product offers advanced navigation features in a form-fitting, right-handed design. Its special drag-lock functions let you move text and images with ease, while Cruise Control scrolling lets you scroll rapidly through Web pages and documents by merely pressing a button. With conveniently located thumb-operated forward and back buttons, you can easily move through applications and Web pages without having to move the cursor to the browser's onscreen buttons. Two AA batteries (included) keep you powered for six months or more.
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Most Helpful Customer Reviews
236 of 247 people found the following review helpful:
3.0 out of 5 stars
Smooth motion, wireless, but button placement not as ergonomic as alternatives,
By nsrpgmiv "nsrpgmiv" (SUNNYVALE, CA USA) - See all my reviews
This review is from: Logitech Cordless Optical Trackman (USB/PS/2) (Personal Computers)
Let me give you some background before you read my review.
I'm in my 30's. I use computer 8+ hours a day and start developing RSI symptoms. I have tried / owned the following trackballs Logitech TrackMan Marble FX Trackball Logitech Optical Marble Mouse Logitech Trackman Wheel Optical Logitech Cordless Optical Trackman Original 3 buttons Kensington Expert Mouse Kensington Expert Mouse Pro The Logitech Cordless Optical Trackman does not score well in my needs - eliminating / reducing my RSI related pains. Pros: wireless, good build quality, good battery life, lots of programmable buttons, smooth scrolling trackball. Cons: Cannot be used left handed, buttons are not located in convenient position (cruise buttons, scroll wheel are too small, awkward position of the forward/back buttons). By far the biggest complaint is the most used left button. This key is clicked N times a day so it should be easy to locate and click. Instead, this button is concededly smaller than the one in Optical Marble Mouse and Trackman Wheel Optical. Also, this button is positioned 45 degree on the left side of the mouse, and it requires some extra effort to click it, since you have to hold the trackman in position using your ring and little finger to counter the force you acted on using your thumb. Consider this experiment, using only your thumb(without holding the trackman in position) and try to left click on it. You'll be tempted to secure the trackman using your other fingers. If you have to repeatedly do this, your muscle will be sore. This is not the case for the kensington expert mouse or the Logitech Optical Marble Mouse, where the button is faced up and you can click directly on it without securing the device in position. If you are young and not suffered from RSI, this might not be an issue for you. But for the others that who are seeking an ergonomic pointing device, this one is a no go.
268 of 282 people found the following review helpful:
5.0 out of 5 stars
Logitech Does It Again!,
By A Customer
This review is from: Logitech Cordless Optical Trackman (USB/PS/2) (Personal Computers)
I've used Logitech mice before and this one tops all of the ones made by Logitech. I've read many reviews before purchasing this and read some of the drawbacks to this mouse and some advantages to this mouse. Logitech outperformed itself once again, with amazing features, support, and performance. Disadvantages: Advantages: All in all, I recommend this product wholeheartedly to you.
121 of 129 people found the following review helpful:
4.0 out of 5 stars
Very comfortable after a few days,
By
Amazon Verified Purchase(What's this?)
This review is from: Logitech Cordless Optical Trackman (USB/PS/2) (Personal Computers)
This device is very comfortable to use after a few days adapting. Movement is very precise, BUT probably not suitable for 3D gaming. (except sniping :^) Adjustment is possible, but result is either too sensitive for useful gaming, or far too much movement needed. (IE, roll ball 3 times to turn 90 degrees) Luckily for gamers, under Windows it is very happy being plugged in USB at the same time as a PS2 or USB mouse, both work simultaneously.Vertical/horizontal orientation is VERY far off out-of-box, (about 30 degrees, but feels like more at first) but can be adjusted under WINDOWS ONLY. (If you are a Linux user, you should probably pass, Linux mouse drivers don't currently offer orientation adjustments or extra [>3] button assignments) [Maybe some consumer pressure can convince Logitech to spare a few programmer-hours to add this support to the Open-Source driver? :^) Worth a few emails a week...] Take placement warnings seriously: The rollers inside are VERY susceptible to dirt accumulation, and I find myself cleaning them AT LEAST once a day, but this is a very simple process. (push the ball up from the bottom, rub the three micro-ball-bearings with a fingertip, blow loosened crud out, drop the ball back in - about 7 seconds total) All in all, apart from desktop wobble and a sticking button (...) and limited Linux configurability, I'm quite pleased with this trackball. I would recommend it to anyone with limited desk space for a mouse, wanting/needing precise cursor control, and/or just wanting to try a trackball. There IS a 'learning curve' since you use fingertips to control motion, thumb for 'left-mouse' and two other buttons, but RMB is located to the right of the ball (not clear in pictures) and you can remap functions of all eight (that's right, 8) buttons in whatever way suits you. j
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