really great, Bluetooth and scrolling funzt perfect!

I have just given the Logitech Performance Mouse MX only 2 stars - so should not say I go lightly with praise to :-) Here, however, it is appropriate.
I bought the thing to match the Dell XPS 13 Ultrabook and in fact, it is visually extremely attractive combination.
The Mouse is super-tiny, carries in his pocket not purely. Ergonomics is for me with chronic tendonitis a disaster, but that's the price for such a travel mouse.
To my surprise, both Bluetooth function, as well as the touch-scrolling perfectly. I turn on every few weeks and without making a handle on the notebook it is connected a few seconds later. Nano receiver or not - simply do nothing to have the infected laptop that has been a very different quality.
With the touch-scrolling I have a bad experience with other devices, so that's not a matter of course, the more I am glad that it works perfectly.

I use a MacBook privately, but I do not need the mouse, because the touchpad does so perfectly, but I have this mouse once connected briefly and also because there were no problems. So it's likely that the white variety, which is also offered, works just great.

Absolute recommendation !!