Posturite Penguin Ambidextrous Wireless Ergonomic Mouse | Rechargeable, Alleviates RSI, Easy-Glide, Vertical Design, PC Computer & Apple Mac Compatible (Black/Silver, Size: Small)

The Posturite mouse is excellent for me. I tried with two different sloping mice; these helped with the angle of my wrist, but acted as a wedge to force my thumb into an uncomfortable position which produced strain in my hand which I didn't have before. This is the only mouse I have found which has eased strains in my hand and wrist. Two smaller issues: 1) I went for a mouse slightly smaller than recommended, and it's fine for me. 2) I am using a slower "Push DPI" speed than I had done before (a button the bottom of the mouse controls this), to enable me to have better control over the mouse pointer for clicking on small buttons and crosses on the screen. At a slower speed, I am able to control the mouse well. I did notice issues with controlling the mouse at faster speeds initially, and I also found that if I put my little finger on the desk beside the mouse base, that gave me more control (and it would be easier if the base were a little smaller); at the slower speed, I don't need to do that. It's more expensive than other mice, but the relief it brings is well worth the price.

brilliant product. no more mouse rsi enhanced further by the fact it can also switch quickly between left and right handed. has even made me a little more ambidextrous! Make sure you buy the right size - I needed the larger model, the smaller one would not have worked with my large hands! If you have just a hint of rsi don't let it get worse (it's horrible!) and don't hesitate buying one of these - does exactly what it says on the tin :) Does take a little getting used to as with anything different, but very easy and way better than any other options i've tried. And excellent customer service too - 'scrolling wheel' started playing up year or so after purchasing - replacement being sent.

Bought to try and address a pain in my right hand, this mouse is pretty neat in that you can use it left or right handed. I followed the size guide before buying, even printing off the PDF and matching my hand against the printed picture. This led to me buying the large sized version which I feel is just a little too big - despite my hands measuring comfortably over the "large" indicator line by a good 2cm. So I would advise caution when sizing your hand as it feels like it's a bit larger than it should be. That said, it could be part of the design but it does feel a little awkward. The wireless version comes with a relatively smal USB dongle that the device automatically connects to pretty quickly and it's immediately recognised by Windows as a standard mouse needing no additional drivers. The dongle will protrude from the side of your laptop quite a bit - fortunately there's a little covered reces in the base of the mouse to house the USB dongle when in transit. The mouse has a horizontal scroll wheel and two buttons - these are the active controls that you will use. Sitting underneath your little finger is a switch that changes position when you use the mouse right vs left handed, this effecively reverses the direction of the scrollwheel. It may sound odd but it makes perfect sense when you're using it. The mouse also has a number of resolution settings, which can be altered by pressing a button on the underneath of the unit. This has been a really useful feature for me - if yo'uve never used a vertical mouse before and, especially if you're using your "wrong" hand, then having a super-sensitive mouse is the last thing you need. So i started with it on a relatively low sensitivity meaning I had to move the mouse a large distance to cover one side of the screen to the other. As I got more used to useing the new mouse (and the wrong hand) I was able to turn up the sensitivity, improving my productivity without being really frustrated from the outset. The battery lasts a really long time. A USB charging cable is supplied, and here's my only gripe - rather than using micro USB or USB-C, they've used a proprietary charging port so if you lose the cable you're in trouble. Battery charge is indicated by an LED behing the "penguin/spine" logo on the unit. So far mine has lasted about a month without needing a recharge. It's missing some of the other buttons that I'd come to rely on with my prevous mouse (A logitech Performance MX), like the back button for browsing etc. BUt that's not the end of the world. What's more important is that it has helped me to use my other hand, relieving pressure on my main hand which had started to suffer from the early signs of RSI. So if you're looking to prevent or manage RSI, this is a great mouse. Particularly if you're prone to moving your mouse by flexing your wrist but not moving your arm. This kind of movement can put a lot of strain on your hand - the penguin mouse makes this impossible by resting the heel of your hand on a platform at the base of the mouse itself. The only way you can move it is to move your whole arm, significantly relieving the pressure from your usual mousing style. It's got a few quirks but RSI is something you'd really rather not have, so even though it seems expensive, it's cheap consider the problems it can help prevent.

EDIT After contacting with Posturite UK. Well, after being contacted directly via email by a Posturite UK representative, he arranged a replacement sent to where I live today, and I didn't have to send the faulty one to them!, this was a very pleasant surprise given the cost of sending the faulty one to the UK or the USA would be greater than the value of the mouse itself. The replacement mouse arrived in a week, and it works like a charm. The representative said that he'd send one of the "latest batch", and it seems that some issues have been fixed. The scroll wheel is working now and I haven't had any random movements of the cursor until now. Because of this warranty and the nice treatment from the representative, I'm changing my rate to 5 stars now, this is the way a company makes and keeps new clients. ************************************** First, as an ergonomic mouse it's great, the wrist rests fully while the whole arm has to move, the way it's meant to be. The pain has reduced dramatically. But... the opticals don't work on my work desktop. It's a completely white desk, and sometimes the cursor moves, sometimes it doesn't. I have to lift the whole mouse to a place where there's a (now permanent) coffee stain so the optics pick up something. I didn't have this problem with my previous mouse, a Microsoft 5000. This has lead to some frustration while working, and to BIG frustration while gaming. I've tried with some other surfaces, white paper, printed paper, cardboard, printed glossy paper, with mixed results. I don't want to get a mouse pad since the base of the mouse is so large, the pad would have to be quite large too, but i'll try on a few and edit. EDIT. This mouse sucks. The optics randomly work on any surface I've tried it on, now the pointer moves, now it doesn't. It's been very frustrating, even my coworkers make fun of me because of such an expensive mouse that doesn't work. I'm gonna get a refund. EDIT EDIT. Well, the mouse didn't suck as much, found the problem, I bought a USB 3.0 hub alongside the mouse, and made a last test before returning it, I disconnected the Hub and connected the mouse directly, and it worked like a charm. Made the test on another computer and it was definitively the USB Hub. Tried different hubs with mixed results, but ultimately had to return the hub. So, the mouse works, but not on every USB hub, and has a conflict with the Sabrent 4 Port USB 3.0 Hub with 4A Power Adapter support Fast charging Function [VIA VL812 Chipset] (HB-J3U4) . So, don't buy together, I got a $3 usb 2.0 hub an works like a charm. EDIT EDIT EDIT Having had this mouse for a few months now I can say that it's not a good mouse, it stops working randomly and often and I have to turn it off and on again to work, and sometimes I even have to disconnect it from the usb port for it to work. Also randomly the pointer moves either all the way to the top of the screen or some space to the right, not very often, but it happens. And the scroll wheel, from some time on it started not to work alright, while using it, the pages don't scroll as expected, but move up an down quickly not going anywhere. It's a shame that such an expensive mouse has such low quality in its electronics. It was a gift from my wife so I use it all day at the office, where I've become accustomed to its nuances, but when I get home and use my old standard mouse I can feel the difference.

Despite following size measurements, this is too big for my hand (18cm from wrist to middle finger tip). I can't use it comfortably as it's too tall and long, making it harder to reach my fingers around the front, and causing strain on my wrist as I can't rest it at the right height. I'm not giving this one star, as possibly the small mouse wouldn't have these problems, but I'm not sure I'll try it, as this really feels like a lot more effort to move around than a regular mouse, plus it's clunky and bumps into my desk (I use a pull-out keyboard/mouse tray under my desk, and hadn't anticipated that a mouse could be so tall!)

Excellent. Je ne mets pas 5 étoiles a cause du prix

It does help a lot with my tendinitis. I switch hands all the time and now I'm ambidextrous even on video games. I would never go back to a horizontal mouse. Good product also, durable and comfortable if your table and chair are at the right heights as well! If not you will have to drag your arm on the desk a bit.

Habe die Maus seit ca 3 Monaten im Einsatz nach einem Tennisarm rechts. Zum einen entlastet diese Maus spürbar den Arm und Handgelenk, zum anderen finde ich es sehr angenehm, im quasi fliegenden Wechsel von linker nach rechter Hand ohne Umschalten arbeiten zu können. Der Sensor ist allerdings manchmal etwas widerspenstig, ich habe mir ein Gaming-Maus-Pad angeschafft womit die Maus meistens gut klarkommt. Negativ außerdem, man muss die Maus aufladen vie USB was einige Stunden dauert und sie ist währenddessen nicht einsatzfähig. Positiv außerdem: Nachdem die 1. Maus unter Win 7 nicht störungsfrei (und unter Linux gar nicht) funktionierte, habe ich sie eingeschickt und bekam sie dann ausgetauscht, seither funktionieren Win 7 und Linux Mint (die 1. Maus funktionierte nur unter Win 8.1 und Mac (gemäß eines Tests) störungsfrei). Der Kundendienst der Firma bekommt von mir außerdem Note ausgezeichnet. Ich vergebe trotz der kleinen Macken 5 Sterne, weil die Vorteile für meine Bedürfnisse klar überwiegen und praktisch konkurrenzlos sind.