Rating: 
Summary: WARNING: WILL TRAP YOU IN THE MICROSOFT EMPIRE
Review: Installing this product on your PC will most likely prevent you from ever using a Bluetooth product from a non-Microsoft manufacturer on your PC.Installing the driver software for this product on Windows XP will prevent any other Bluetooth device driver software from ever being installed on that computer. Microsoft has used their integration with the operating system to make the Bluetooth driver installation PERMANENT, the only way to remove it is to reinstall the operating system, which will require the reinstallation of *ALL* software on the computer. This will prevent the use of other companies' drivers and hence, the other companies' products. If you are comfortable using only Microsoft and Microsoft-compatible products for the rest of your computer's life, then this will not pose a problem for you. Otherwise, this imposes a strict limitation on which Bluetooth products you will be able to use in the future.
Rating: 
Summary: Works with built-in bluetooth on HP zt3000 series (zt3200)
Review: Just thought I'd add that with the encouragement of broderic's review, I tried the same procedure on my HP zt3000's built in Bluetooth (Intel 2200BG), it works fine so far. Some additional points: I didn't have a 'My Bluetooth Places' on the desktop or My Computer on Windows XP Home, but I found the necessary software in c:\Swsetup\Btooth\Setup.exe. After it finishes installing, click on My Bluetooth Places and it does some more setup, then click on it again and it brings up an explorer-like window. With the mouse powered on, I chose:
View Devices in Range (which found the Microsoft Mouse),
Right-click on that and select Pair Device (and per broderic's
advice, left PIN key blank) and it did some more installing, red check mark appeared on the Mouse
Right-click on the mouse and select Connect Device, say yes to 'attach to Human Interface Device' and after it does some more installing, the mouse icon red check changed to a couple of green arrows and the mouse started working. Even though it works, was tempted to give it fewer stars for installation non-intuitiveness.
Rating:
Summary: Avoid! Unless you want to waste time
Review: One of the most worst input device! I can't believe how difficult it was to install and use it with connection losing every few weeks and oains of reinstalling. Want proof? Evev tach savvy and famous Wall Street Journal tech writer Walt Mossberg couldn't get it to work! Now I heards many good things about Logi's 2 new line though I love the design and can't affored their top of line bluetooth product. Microsoft outhgt to be ashamed of putting out piece of trash like this and stick to software.
Rating:
Summary: Not ready for general use.
Review: The mouse and bluetooth transciever pretty much comes with zero useful documentation.
Unless you have windows XP SP2, the drivers for the bluetooth transciever is inferior to competing transcievers and when the mouse looses connection with the transceiver its a bit of a pain to get it working again(you need a second mouse). For instance, you can't bind the bluetooth device to a com port. This is absolutely essential if you want to sync with a bluetooth PDA or phone.
How to fix the mouse: If you installed the drivers according to the instructions, then a bluetooth pane is added to the wireless link menu in the control panel. If you loose the connection with the mouse, remove the mouse from the bleutooth panel. Then run the intellimouse connect utility. (This is for windows XP SP1) It's a little annoying to do this, everytime, which is why I don't think this device is ready for general use yet. Most people just aren't ready to put up with that kind of hassle, when a regular wireless mouse doesn't have this problem.
Some of these problems are fixed with windows XP SP2
Rating: 
Summary: Dream product
Review: The mouse feels extremely comfortable in your
hand and works great. Since I have bluetooth integrated in my laptop, I
bypassed the supplied USB dongle, so NOTHING hangs off mycomputer. Truly wireless which is fantastic
for a machine with which to travel. I've been using NiMH with the mouse with no problems. When I receive a warning about low battery power, I just swap them out for a charged pair. These directions from an anonymous web user made
the installation a snap:
"1. Install the MS software from the CD.
2. Reboot when directed.
3. When directed to connect the MS transciever via the USB connection - Don't. Cancel and remove the CD.
4. Open the laptop's Bluetooth Module and let it discover the mouse.
5. Open the Mouse control panel and change it to your heart's content.
6. Works flawlessly"
Rating: 
Summary: Works great on Powerbook 12 and Powermac G4
Review: The set-up is very easy. It only took few minutes to pair and the mouse worked right away. It does not come with driver for Mac OS so not all of the buttons are working. This mouse is not supported to worked on Mac OS but its working without any problem. The good thing about this mouse is the rest on the button can be configured under Expose on Panther. Battery life probably about 2months. I used rechargable NiMh battery so I don't have to buy batteries everytime. In Panther this mouse is more responsive compared to Jaguar. So I been using it All the time.
Rating:
Summary: Great if you know bluetooth
Review: This is a great mouse, i use it with my laptop and PC. Although, i can see how people might not like it. Setup is not as easy as plugging into a ps2 port. You would think that microsoft could make it less problematic considering the mouse brand. But,once its set up, the mouse is preferable to logitech mouseman optical which i have on another PC. i find myself using the extra programmable mouse buttons much more.Plus ways its design makes it form to my hand very well. Another benefit is, i now have a bluetooth receiver for my PC. That alone is at least[$$].
Rating: 
Summary: Works great, when it works
Review: This is my 4th wireless mouse, and the only one that I've owned that is sufficiently smooth and accurate for gaming. Its also reasonably easy on the batteries. Ergonomically, its great. Just one problem, and its a big one. Sometimes it just stops working. Sometimes re-establishing the connection through the control panel will work, sometimes not. Sometimes reinstalling the drivers will work, sometimes not. Sometimes absolutely nothing can be done to get it to work, but then the next day it will be working fine. If the mouse spirits are kind to you, you'll love this mouse. If not, you'll curse it
Rating:
Summary: not compatible with IBM T30
Review: This is NOT compatible with the thinkpad T30's integrated bluetooth. You have to use the dongle provided by MS - which really defeats the purpose.
Rating:
Summary: Batteries are this mouse's downfall
Review: This mouse eats a pair of batteries in about 16 hours of usage. 50% of the time when I replace the batteries and then hit the button on the bottom of the mouse, it works for about 10 seconds, then stops communicating with the bluetooth receiver. I then have to shut down and restart my computer with a wired mouse connected, and run through the software utility to reconnect the mouse. This only works sporadically. Often I have to remove the mouse from the known devices in the control panel, reinstall it, and hope that works, which has about an 80% success rate. Just replacing batteries on a device that goes through them so quickly should NOT be such a chore.
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