Nulea M501 Wireless Trackball Mouse, Rechargeable Ergonomic, Easy Thumb Control, Precise & Smooth Tracking, 3 Device Connection (Bluetooth or USB Receiver), Compatible for PC, Laptop, Mac, Windows.

excellent item.

Desde el principio superó mis expectativas.Se comunica sin interrupciones y funciona a la perfección.

I have been using this trackball since Jan 6, 2024, and so far this is the best trackball I have ever used. It seems to be a better build quality than Logitech, which I have always had. This is the first time I purchased a different brand and I could not be happier. You can adjust the movement with the push of a button on the top of the trackball, very nice. I connected mine via Bluetooth and it connected almost instantly when I turned it on for the first time. Very easy to connect and set up. It goes into sleep mode after about 15 minutes, but you simply touch one of the buttons and it is awake and ready to use in about 1 second, if not less. I liked it so much that I got one for my wife and after her first couple days of using it, she loves it as well. I cannot comment on longevity and I will update if anything further. At this time I would highly recommend this trackball.

I have been a longtime user of the Logitech Trackman series of thumb-operated trackballs since they came out in 1996 (the white ones) and have been using nothing else since. Sadly, they changed from the flatter white models to the more "humped" gray models which are not as comfortable but generally just as good.The problems with those gray ones is they are somewhat slippery and, as they are angled higher, your hand wants to slide off of them (solved by adding grip tape to the top) and the trackballs eventually get sticky and jittery leading to a jerky mouse movement no matter how well you clean the trackball or the bearings inside the housing and you have to buy a new one every few years.Instead of just buying another Logitech, I decided to try this Nulea model and I'm quite impressed with it. It too is quite slippery and could use some grip tape but it's slightly flatter and more comfortable. The trackball is very smooth (at least it is now while new) and the buttons seem to be adequately stiff so you don't accidentally activate them if you rest your fingers on the buttons.Like Logitech, the buttons are a bit narrow and my right ring finger sits more to the side of the right button rather than centered on top of it so sometimes I press and nothing happens since I'm not actually on the right button. That's a muscle memory issue I have to get used to (or rotate the mouse slightly clockwise so my fingers are more centered over the buttons.)The DPI button is good for when you need fine control - just click it to get back to the minimum value and do what you need to then click it to get back to the higher value. A nice touch. The scroll wheel turns nicely and is not too clicky. The forward/back buttons are nicely positioned and work well.The description says it's not compatible with FPS gaming but I tried it with some standard games such as Far Cry, Sniper Elite, etc. and it actually works totally fine. Using the DPI button as well as the built in mouse settings in Windows or a 3rd party tool like X-Mouse Button Control allows you to speed up or slow down the mouse to dial in what you need for aiming. I have no issues with it in gaming.So, brand new out of the box, I'm very impressed with the build quality and ergonomics of this trackball. It's not perfect but nothing ever really is. For the price, this is a fantastic value. Hopefully it lasts as long as my Logitech models did.

Was snel kapot. Werkt niet lekker. Niet te vergelijken met een Logitec trackball

I have used a track ball for years (I prefer one to a mouse as they work better in a confined space being static) but my old wired Genius wired version was losing smoothness despite regular cleaning.After first looking at Logitech as one of the main brands I spotted this Nulea Trackball and after reading the reviews decided to get one after considering the cost, Bluetooth connectivity and that it is also rechargeable.So far I have not been disappointed! It is extremely smooth in operation and easily paired using Bluetooth (there are two Bluetooth version options - v3 & v5) as well as a 2.4ghz wireless dongle (stored on the underside of the case) as per typical wireless Trackballs and other peripheral UIDs. It can also be connected using the supplied USB USB 'A' to 'C' cable included in the box that is used for charging it - the USB 'C' port being located on the front of the Trackball.The required interface type can be selected with a 'mode' button on the underside of the unit next to the power on / off button. I was particularly looking for Bluetooth connectivity as it saves the need to use a wireless dongle which can easily be lost or broken. Having 3 connectivity options with this device makes it very versatile.The case has a non-slip rubberised feel to your hand is less likely to slip off it in use or when moving it about - especially if using it with multiple pieces of kit. There are the usual left and right buttons and scroll wheel / button in the centre as well as the page up / down buttons to the left of the left 'mouse' button. There is also a small DPI adjustment button below the scroll wheel that can be adjusted to preference.There is an LED below the DPI button which indicates the battery status when charging (Blue) or when the battery becomes low (Red).So far I am very impressed with this Trackball considering it's a brand I'd never heard of. The only thing that concerns me is that I've owned numerous things that have been made with a similar non-slip coating (Sat Nav, Binoculars etc. etc.) and after a number of years the coating has perished and turned into a very sticky unusable condition. Only time will tell but I would certainly recommend this to anyone looking for a good quality, wireless Trackball.