I could between this and Logitech M570 not decide and therefore have both bought. The reason was that my wife is left-handed. The Logitech but easily operated with both hands on her. The Logitech has some advantages, it can scroll up and down and is very safe and in all functions. A possibly slight drawback: it is light but quite large and should therefore be placed anywhere while this one, tiny and lightweight, can be recorded in one hand. But he has another advantage: You can move to the upper keys the image left or right. What it is for? If you need to on a remote screen image zoom in so much that it does not quite fit the screen (television in the living room and no eagle eyes). Now the last small drawback of this device. After switching on the pointer on the screen solution initially remains immobile; left mouse button. And their service is great again: a gun trigger.
