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.

As a long-time user of the old wired Logitech Trackman Wheel models, I was hesitant about trying this.I had bad experiences with TWO of Logitech's newer M570 models wearing out their buttons in less than 6 months time. I even bought used Trackman Wheel models online after they became discontinued, and those lasted a lot longer than the newer M570s.I've had this Nulea for 3 months now and use it daily, and can safely recommend it for anyone looking for an alternative. It has been reliable and works very well for someone used to the Logitech models.The position for your hands is ever-so-slightly different than the old Trackman Wheel's slope/angle, and it does take a few days to adjust if you're so used to another model. But it's very slight and not anything that feels drastically different. Once you've acclimated, it feels very natural and comfortable, even for all-day use.Just like with the Logitech models, it successfully keeps my wrists and hands pain-free, where with a normal mouse (which I gave up decades ago for this reason) I'd have bad hand cramps and wrist pain from the repetitive movements involved.Other reviewers have mentioned Nulea has great customer service, but so far I haven't had any need to confirm that myself. Everything is working great for me. I chose to use it via the wireless adapter rather than bluetooth, simply because my bluetooth connection is a bit spotty at times for my liking (with other devices too, not just this trackball) but it has been a great experience using the wireless USB adapter.For anyone who happens to use Linux, it works flawlessly on Linux Mint for me. The sleep mode is handy for those times when I forget to turn it off overnight, or just in general for idle periods to help conserve battery power. When it enters its sleep mode, all you do is click the left button once to wake it back up, and then you can move the mouse and use it like normal again.After the initial charging period when I first got the device, I've only had to charge it I think once or maybe twice, in a 3 month period, so the battery lasts for a long time on a charge.The DPI button is really helpful to have too, and I like to set it to the max amount. I was sorely missing this feature when I briefly went back to using my spare old Logitech Trackman Wheel on another device for a time. I'll probably order a second one of these Nulea models for that device at some point honestly, now that I know they are reliable and great to use.It might seem like a small thing too, but I also love that you can pick different color trackballs. I've got the gold model and really like how it looks with the dark grey.The only odd thing I have noticed so far is that the scroll wheel sometimes has a bit of a squeak or "chirp" to it after a while of using it (I thought it was a bird outside my window the first few times I heard it, until I realized) but it doesn't seem to impair functionality any, and most of the time it isn't an issue.Right now as I type this and scroll the wheel it's not making any such noises at all, for example. Even when it does squeak a bit, it's nothing that feels like it's faulty or in any danger of breaking. So far it is definitely not a problem, and my experience overall with this trackball continues to be a very positive one.

This Nulea M501 Wireless Trackball Mouse has been a game-changer for my workflow! As someone who spends long hours at the computer, I've struggled with wrist pain and discomfort from traditional mice. The ergonomic design of this trackball is fantastic. It keeps my hand and wrist in a much more natural position, and I've noticed a significant reduction in strain since switching.The thumb control is incredibly intuitive and easy to get used to. The tracking is precise and smooth, making navigation a breeze. I love the fact that it can connect to three devices – I use it seamlessly between my desktop, laptop, and tablet. The option of Bluetooth or USB receiver is also very convenient. Plus, the rechargeable battery is a huge plus – no more constantly replacing batteries!Overall, I'm extremely happy with the Nulea M501. It's comfortable, functional, and has definitely improved my computing experience. I highly recommend it to anyone looking for an ergonomic and versatile mouse alternative.

Have used Logitech trackball devices for my PC for decades, going back to the Logitech Marble and before. The last two have been wireless units that use a propriatery USB dongle. This new Nulea trackball is connected via Bluetooth and works perfectly. It's slightly larger than the Logitech M570 and fits my large hand better. The Forward and Back buttons are raised and slightly different in feel and are easier to click. The dots per inch button cycles through the acceleration function and seems easier to set compared to the Logitech M570. Rechargeable battery life seems to be excellent so far. Deducting one star because after resting overnight, the trackball does not wake with a button press as indicated by the supplier. The top indicator light is a steady red. (I have emailed them but no response yet.) You have to pick up the trackball, turn it over and cycle the switch to OFF then back ON. No big deal really, but it certainly does not operate as advertized.Response from supplier: "Thanks for contacting us and letting us know your concerns.For this issue, could you please to fully charge the mouse and see if the issue exists?Also, we noticed that your order was placed on Feb 3, 2023, when did the issue occur? We can better help you after getting more information.Do not worry, we will try best to help you if the product is defective.Brian"My reply: Fully charged the mouse, just like when it was brand new, and it made no difference. The issue first occurred when I originally received it [February 12th] and charged it. This has been the situation since it was new and first used.

I bought this in January, it is now April and I just had to plug it in for the first time since I first charged it. The charge life is utterly amazing. It was super easy to set up, had zero issues with it. It moves so smoothly and I'd say it's very well made, as I use it every single day for multiple hours (both for work and gaming) and it performs perfectly. It's a good size, my hands are larger and I have no issues, plus its great for travel. The extra buttons are really nice for gaming. Genuinely my favorite mouse ever.

I've been using trackball for at least 30 years now, this one for fit/finish/features fits right in the middle of the pack. Solid, functional and comfortable. I would point out 2 things, 1 remember the DPI button to adjust sensitivity and 2 it says right in the instructions to NOT use a fast charger. So your 240w GAN version 3 wall charger might not be the best to charge with. Other than that you cant5 beat the price for a trackball this good.