There few around, Like the ones in here I need it for my laptop (Dell). I thought about Dell Bluetooth Or Microsoft version Your opinion?
It's really nice to have, especially on a laptop or netbook so you aren't using up you USB slots. I personally use a Logitech, but most models in the $20 an up range are reliable.
I have a logitech USB wireless on my desktop, and a Blue Tooth Logitech on my Netbook. I think I paid $35 for the Blue Tooth one on Amazon, just because I wanted one to color match the Netbook. Just be sure to keep an extra set of batteries at all times. I don't always go by the price, I usually go by the reviews. Some expensive ones aren't very good, and some cheap ones get very good reviews.
I have I-Ball Cordless Couple works on 2.4 Ghz radio frequency. Quite good for working. But go for any Bluetooth Laser Mouse which is this