Knowing Microsoft Mouse
Microsoft has come long way when it comes to the tracking technology used by mouse.
It started with the ball used underneath the mouse which rolled and offered good pointer
movement.
It was good for that time; however some people found that wrist injuring and came the trackball mouse. It worked on the same principle except the ball was not underneath but on the top thumb side which could be scrolled by thumb which in turn controlled the pointer accordingly.
This allowed the user not to move the complete mouse on a surface which involved 
wrist movement but to use the thumb to move the ball on top of the mouse to make pointer move.
Long enough these mouse have been obsolete and no longer manufactured by Microsoft. These have been replaced by Optical, Laser and BlueTrack technology.
The optical mouse was a relief for the ball mouse users since the optical was smooth, more precise and did not have the hassle of cleaning the ball at regular intervals.
Microsoft came out with wired optical mice of course at the time of launch since the concept of wireless mouse was present but only in fiction movies.
Soon that fiction turned into reality and wireless optical mouse was available. This was again a relief for people who hated wires cluttered around their computer.
The need for a laser mouse was felt because the optical mouse was not functional on all surfaces. The type of LED used emitted, red light underneath.
The next level of tracking system in mouse was laser. Microsoft used class 1 
laser technology which has colorless light. People till date are confused and think their mouse may not work since it does not have a red light underneath. This mouse was more precise because the DPI was better and enhanced. There were very few or no wired version of laser technology.
The latest technology used by Microsoft is BlueTrack. It uses a LED which emits a blue light underneath and is advertised as the most advanced tracking system used by computer mice, it also goes ahead saying that the mouse will work virtually on any surface.
BlueTrack mice also came with other feature; they come only in wireless and need not be synced. They and pre-synced with their respective receivers and need no software or drivers. It is plug and play.
The Type of Connection
The first type of connection was of course wired. However Microsoft used different ports to connect
the very first one was PS2 port or called as the serial port. Some people also refer it as the mouse port. It is green in color. There was an unknown factor involved which till date most people overlook and confuse the principle with USB port. After a device was plugged into the PS2 port the PC had to be rebooted or restarted or even better as instructed by computer companies to turn off the PC connects the mouse in the PS2 and then turn on the computer.
The other wired connection used was USB (universal serial bus) port. Technically it is more advanced, fast and does not need reboot of the PC to get the mouse working. Today almost all mice use a USB port regardless of being of wired or wireless.
Wireless, the next level technology that got the wires off the computer desk making it feels good and looks good.
Just like the two different categories of wired mouse i.e. PS2 port and USB port connection, a wireless mouse works on three frequencies.
It takes constant effort to stay up on the latest terminology, so we've put together this handy summary to help you better understand the difference between the wireless technologies available in Microsoft's innovative hardware…
27 MHz wireless technology
This is Microsoft’s original wireless keyboard and mouse technology. It has a range of about six feet, so it’s a good option for keyboards and mice that stay near a computer, especially when there are not a lot of other 27 MHz products around and strong security is not imperative—such as in the home office.
2.4 GHz wireless technology
This newer wireless technology operates on a different bandwidth than 27 MHz, and generally has a range of 20 to 30 feet. In addition to longer range, it provides enhanced reliability and is best for people who work in busy wireless environments, such as cubicles or public spaces.
Bluetooth® Wireless Technology
Bluetooth uses the 2.4 GHz bandwidth and provides the same advantages as 2.4 GHz, but it also has additional benefits:
One Bluetooth transceiver can wirelessly connect up to seven devices
Superior encryption enables increased security
Standardized wireless technology provides peace of mind
Many computers have built-in Bluetooth wireless transceivers
Devices with Bluetooth wireless technology generally do not work until the operating system is loaded. However, some Microsoft products start up with 2.4 GHz, and then switch to Bluetooth, so you can use your keyboard and mouse before the operating system is loaded.
apart from tracking technology, Microsoft has added other host of features that makes fun and gives you freedom to choose the mice according to your choice like having a nano transceiver.
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