Joining this is the Kone EMP, a highly ergonomic mouse that gets its foundation from the Kone XTD model, only it also has the new mouse sensor. This model is best used by those with medium and large hands, says Roccat. Finally, as far as the new mice are concerned, is the Kone Pure 2017, a Kone mouse model designed for gamers with slimmer hands. This model also has Owl-Eye, and it only weighs 88 grams.