![]() Plus, from the point of view of ergonomics, some of the cursor movements are done by the movement of the fingers themselves, and some by the movement of the entire palm, so working with such a trackball takes more energy of the hand than in models for the thumb. Trackballs for the main fingers have a feature: the left mouse button is placed on the thumb here, because the ball is relatively larger here, occupying almost the entire surface from above, and it would be inconvenient to press it, for example, when selecting horizontal text, when you need to simultaneously hold the LMB and twist the ball. Ergonomics features of finger operated trackballs I have not used peripherals with wires for a long time, so the support of 2.4G radio channel, which is not affected by Wi-Fi plus Bluetooth as a nice addition, left no choice but to "shut up and take my money". The bottom line is that when I saw a new ProtoArc model on AliExpress for my index finger, I was again drawn to try something new, especially since EM03 is already a more authentic trackball that does not resemble a "mouse with a ball on top". For the ProtoArc EM01 manipulator itself (see our review), I had almost no complaints during the year of use, and everything turned out to be good in terms of reliability, except for one point, which I will talk about a little further. Then I chose the EM01 model from the little-known manufacturer ProtoArc, and in principle, although I did not experience any euphoria, but I got used to performing the same actions with the new manipulator just as easily, and now I think that you need to buy your first trackball thumb operated trackball - it's really easier to adapt, because scrolling the same and the location of the main buttons is the same as that of the mouse. ![]() Review of Protoarc EM03 - trackball for the index fingerĪ year has passed since the day I decided to switch from a mouse to a trackball in search of new sensations. ![]()
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