Logitech 904368 0914

I chose the Marble Mouse because I’d had a type of trackball previously, because it can be operated by either hand, and because the price was very reasonable. I was a bit inaccurate with it at first, but, given a little time, I settled down with it...

Model specific information on how to position and use the hand with this device would have been most helpful — but was lacking, despite the invitations to visit the website for ergonomic advice. I do think that the back end of it is the wrong shape and...

Easy to use. I am disabled and cannot use a mouse

Buttons are a little too close together

User was happy with product.

Excessive carriage charges.