Summary: I was given one of these for Christmas, because I was always complaining about the fussiness of my previous laptop mouse with regard to the colour of the surface being used that the mouse wouldn't work on. It really is fantastic! It will work properly on any surface at all, be it plain, coloured, patterned, or even glass.
Excerpt: This product does exactly what it says on the box! I've not had any problem within at all, it's always responsive even though it wireless. It runs at the same speed a connected mouse would. I love how comfortable it is, my hand fits around it perfectly, and it doesn't make my hand ache. I would Deffinayely recommended this product to anyone, it's has a five star rating from me.
Summary: Compatible with my wireless keyboard K270 using unified features, easy to use, look really cool. and (top) battery consumption is very small, cons: little bit small (not made for gaming for long hours),