>>> If problems detected or installed on Vista and Win7 systems.
>>> Two AAA batteries required are attached, which makes the price / performance ratio for the best mouse.
>>> Actually unnecessary, but very good description for commissioning.
>>> In the battery compartment slot for the receiving part is provided
>>> Enormous Range
>>> (Subjectively) is very good in the hand
>>> The most important thing: Reacts absolutely accurate and precise. For testing I did on the PC and Lappy Online Game> Drakensang Online