ProtoArc EM01 NL Ergonomic Wireless Trackball Mouse，No Arm Movement Needed | Bluetooth Rollerball Thumb Rechargeable Mouse, Adjustable Angle & 3 Device Connection for PC, Mac, Windows-Gray Ball

It's a big and good mouse. The build quality is very good but not as heavy-duty as a pro and expensive Mouse. but its well made and functions perfectly. a good buy

Coming from Logitech MX Master 3S and a first time Track Ball mouse user, this product is amazing. It takes some time to get used to but this feels great in the hand. The built quality is a tad bit less compared to MX Master but at least it doesn't have the rubber coating that MX master have that disintegrates over time. Very good value for money plus the amazon discount!

As many people are complaining, my issue is with the scroll. It's frustrating sometimes it scrolls up sometimes down. it acts up. what's worse is the company never provided information on how to fix it or the tools needed.

👍🏼

Good quality. Takes a while to get used to after using a “traditional” mouse. Glad that I made the change…

I was looking for a replacement for my Logitech mx ergo, which was having problems with the left button. I decided to save money and buy this device, which was a mistake. Everything looks great in the photo, until you touch the device with your hands. The plastic casing feels unpleasant to the touch. Over time, the surface naturally accumulates dirt, and then it feels better😆. But the big problem right now is that the middle button is malfunctioning. In general, if anyone is considering this device as a replacement for the mx ergo, it would be a mistake. I think I'll buy a Logitech again.

The scroll wheel has not been working properly (Laggy) fresh out of the box and it kept getting worse. Disappointed as this is not a cheap price for a mouse.

Doesn’t work after 2 weeks very bad product

Ho acquistato questo mouse come alternativa al Logitech Ergo che utilizzo ormai da molti anni. Dopo 3-4 mesi di utilizzo, sono totalmente soddisfatto. Se avete già usato Logitech Ergo, ecco alcune differenze e punti notevoli. a) la base è di plastica (anziché metallica) e si può regolare su due posizioni, quindi risulta più leggero, ma stabile b) il fondo della base è antiscivolo, discreta aderenza c) può essere collegato a 3 diversi apparati via Bluetooth, si cambia rapidamente col bottone selettore, molto comodo d) l'inclinazione della base è minore rispetto ad Ergo, ma ancora comfortevole e) la precisione del puntatore è più che soddisfacente f) si ricarica tramite USB-C, ci vogliono alcune ore - quando è in carica c'è un led rosso acceso, che si spegne a carica completa. Dato il costo significativamente minore, direi che è un ottima alternativa al prodotto Logitech

I've been using this daily now for almost a year and I find it much more comfortable to use and easier on the wrist than a regular mouse. I bought it to try because I was feeling strain from clicking and holding the middle mouse button whilst also moving the mouse which you have to do a fair bit in Blender and other 3D software. This type of mouse solved my problem as I'm no longer fighting my own grip. It's also a space saver as you no longer need to move the mouse around the desk. This is my first trackball mouse but I quickly adapted and within a couple of days I was just as accurate at moving the ball as I was pointing with a regular mouse. I don't have much to compare to but the build quality feels solid. I've not had any connectivity issues or issues with glide or smoothness, and it works well switching between different devices. The battery lasts a few months between charges and you can use it while charging too. The buttons are all nice to click in both orientations (flat or tilted) and the sensitivity is just set once and forget. You do have to pop the ball out to remove dust occasionally but it appears that's just expected maintenance with this kind of mouse. There's a handy hole you can push something through to help with popping it out. I'm really happy with this purchase and it has become part of my every day setup. I'm not sure how it weighs up against more expensive models but I'm happy enough and not looking to upgrade any time soon.

Such a game changer for working on my laptop at a small desk! I use this for my online assessments, Word, excel worksheets and it is nice not to have to move my hand all over the mouse pad. Easy with games that don't involve heavy combat and perfect for Baldur's Gate 3 and other turn based fighting. Two months and its still my favourite mouse.

En general me gustó este ratón, no me costó tanto adaptarme a su uso y la comodidad con la mano y la muñeca mejoro bastante respecto a uno tradicional, quizá lo único malo es que los botones no se pueden configurar y se quedan con las funciones que tienen por defecto, pero si comparas el precio con los Logitech ergo S este lo vale

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