Rating: 
Summary: A so-so mouse
Review: Some minor problems: 1. Screeching sound developed on the left button after a day of useage. Fixed by taking apart the mouse, and put some lube on where the button contacts/rubs the chassie. 2. Mouse won't power up unless I put a set of fully charged battery. My guess is that it has a higher oprating voltage requirement. Fix: Charge battery before use, or use alkaline. 3. Battery is hard to remove, the door opening is just too small. You can easilly slide it in with an angle, but very hard to do it in reverse. I ended up with my rechargeable batteries scratched(not that I care really). 4. Skin on my hand some times got cought up between the mouse and the table surface. This sounds weird I know, but if you take a look at some other Logitech mouse, you'd noticed that the shape contours sharply inward the mouse body near bottom, and that prevents this from happening. I don't know if this make any sense, but compare those mice yourself and you'll see what I mean. 5. Lots of user reports reliability problem. Microsoft issued a recall on some of their ealier Intellimouse, So I don't really trust their stuff. 6. A bit on the heavy side. I do get used to it overtime however. Some good things: 1. Unlike some Logitch optical mice, this thing don't light up the whole room like a Chrismas tree when you use it. The light output from the LED is well covered by the non-transparent mouse body. I hate a growing mouse in dark environments. 2. A very Logitech-like button/wheel feel and sound gives clear feedback. 3. Good long range. 4. Looks good. 5. Cheap. bottom line: Too much hassle over a simple device. Go with a Logitech insted of this one.
Rating: 
Summary: Don't spend your money on this one!
Review: Don't spend your hard earned money on this junk, I cannot trust another Microsoft mouse ever again. I just returned this newly bought wireless mouse to Fry's for another one (should have saved the box! I would have gotten a refund). And guess what? Same problem! The left and right buttons only work when they want to!
Rating: 
Summary: FREEDOM
Review: I LOVE THIS MOUSE! I no longer have to tug at a stupid cord that is inevitably hung up around some other stupid cord! It is also much more responsive than any other mouse I've used. Very easy to install. Definitely recommend if you do any kind of graphic work.
Rating: 
Summary: decent 3 button optical mouse
Review: I've been using this mouse for 4 months at work now. I noticed the mouse pointer getting erratic, but after changing the batteries it works as good as before. The mouse feels comfortable in my hand. I like the grooved scroll wheel which has just the right amount of resistance for easy and accurate scrolling. This mouse is not the same as the wired MS blue mouse (which I don't recommend for extended use). The mouse also matches well with my MS Natural Multimedia Keyboard. A mouse button on the side would be nice, but if you are looking for a basic 3 button wireless optical mouse, this mouse will do!
Rating:
Summary: Good mouse
Review: Bought two of these mice and have had no problems. Feel is comfortable for medium-sized mits. Can't speak as to other sized hands (only my own). Tried it on almost every surface except see-through glass top and it works. Pointer is accurate and fast but you can modify your settings as you wish. It has a nice look, range is good (tested 3 metres so far), battery life on ordinary batteries is about 2 months depending on usage (I use mine at the office every day constantly). Only wish it had a side thumb scroll wheel/button.
Rating:
Summary: STEER CLEAR
Review: ...I used it for a while and when i would play games the mouse would jump and even surfing the net was a difficult task. You get what you pay for with a cordless mouse. For a cordless mouse equal to a 30 dollar cord optical mouse you would need to buy a cordless worth 80. Dont buy a cheap cordless mouse they just dont work. I recomend a logitech mx300 or a dual optical you will then get precise mousing for the same price. THIS MOUSE DOES NOT OUTPERFORM A BALL MOUSE so unless you want to sit there ignorantly pretending the mouse actually performs well as you get out kick of seeing a cordless optical mouse YOU SHOULD STAY AWAY FROM THIS PRDOUCT. BUY LOGITECH CORD OPTICAL YOU WONT REGRET IT! IF YOU ARE A GAMER YOU WILL NOT BE ABLE TO PLAY WITH THIS MOUSE! SO IN SUMMARY STICK WITH YOUR BALL MOUSE OVER THIS PIECE OF JUNK.
Rating:
Summary: Poor experience
Review: Personally, I had a bad experience with this product. Everything was great on the first day. The mouse was wonderfully ergonomic, the colour was awesome, it matched my mousepad and desktop beautifully. However, the second day, I noticed a few things that were contrary to what I expected. First of all, the mouse's range wasn't even nearly close to the advertised 6 feet. I found I couldn't use it beyond a maximum of 2 feet away from the receiver. This was when there was absolutely nothing between the mouse and the receiver. Never mind that, but I noticed that the left mouse button squeaked every time I pressed it. And this was on the second day after I bought it. I hadn't subjected the mouse to any impact whatsoever.
Maybe this was just an isolated case, judging from all the reviews I read about it. However, due to my experience, I had no choice but to trade this model for a Logitech Wireless MouseMan Optical.
Rating:
Summary: Jumping around
Review: The mouse is not working after 1 month of ownership. Open it up, found that it uses quad-coil IF method for the the wireless receiver, which is susceptible to shock or vibration. Don't buy it.
Rating:
Summary: Less than ideal
Review: I bought the mouse almost a year ago because it was stylish and a good value for a wireless optical. However, I would say that it is somewhat frustrating to own the mouse. It worked great for the first few weeks. My first clue that it was less than ideal was that it ran out of battery and began to act erratically after just 5 weeks on fresh brand name batteries. I became accustomed to this so that every month or so, I would know to change batteries when the pointer began to become jumpy or lag, making web surfing very annoying. Then, even with fresh batteries, the mouse pointer began to skip and lag. After a frustrating trial with Microsoft and searching the web, I realized that you have to periodically reset the channels by clicking on the buttons on the mouse and the remote receiver. Also, using the USB connection makes a big difference. It's just frustrating to have this mouse act erratically on such a frequent basis. For gamers, this mouse would be a disaster. For web surfers and office users, the mouse is occasionally irritating. With foreknowledge a year ago, I would not have purchased this product.
Rating:
Summary: DONT BUY THIS, IT DOESN'T FEEL RIGHT!
Review: Read the other reviews about the mouse pointer jumping to the bottom corners of the screen. This mouse just FEELS wrongs to use, I threw mine in a drawer and now use my old Microsoft Mouse. This disappointed me, because I have always loved Microsoft Mice, and have an IntelliEye mouse at work that is the best ... Spend more money and buy another mouse, and dont throw out the packaging!
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