ProtoArc EM01 NL Ergonomic Wireless Trackball Mouse，No Arm Movement Needed

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!

The mouse works well and is comfortable to use. The only downside is that the click sound is quite loud. Otherwise, it’s a good mouse for everyday use.

👍🏼

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

I haven't used the mouse much, but the scroll wheel is already broken, and I can no longer use the mouse.

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.

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.

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Es un mouse de trackball de muy buena calidad. Yo estaba usando el Logi ERGO M575 por casi 5 años, pero empezó a dar problemas con sensibilidad de los botones, mala recepcion y se empezó a pelar la parte donde se apoya la muñeca. Desgaste normal. Cuando busque el reemplazo, me decidi por este ProtoArc, principalmente por precio. En casi todo lo demas son muy parecidos. PROS: es de buena calidad. Se puede conectar por 4G USB (adaptador incluido) o por Bluetooth. Botones silenciosos. Puede conectarse a 3 dispositivos. Se siente muy similar al Logi ERGO, si es que lo venian ya usando. Puede configurarse a distintos DPI, por lo que no solo funciona para trabajo, sino que puede dar batalla en juegos tambien. Se puede angular a 0º o 20º para mas ergonomia. La carga es via USB 3.0, que practicamente es ya un estandar para todo. El empaque es como de producto premium... no importa mucho, pero desde ahi se ve calidad. Diseño: se ve bien y no se siente "barato". En general, es un muy buen trackball. CONTRAS: la base no es removible fácil como la del Logi ERGO, eso podria ser un problema a la hora de limpiarlo. Los botones no son configurables mas allá de lo que permita Windows (o el sistema operativo que usen)... gran diferencia del Logi ERGO que permitia incluso perfiles de botones por aplicacion. En general es muy buena alternativa al Logi ERGO a un precio mas bajo, salvo que busquen configurar botones de una manera muy particular para distintas aplicaciones. YO si lo recomiendo bastante por la relacion calidad/funcion/precio

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