Visiteurs depuis le 26/01/2019 : 5294 Connectés : 1 Record de connectés : 16 Ergonomics and precision feel Veteran trackball owners will find the M570's shape very familiar. Logitech makes this clear that it was on purpose: even on its promo page, the company showed that the design is a dead ringer in many ways for models several years old or more. There's a good reason for it, as the heavily scul