Question about Logitech G604 Lightspeed

Hi all, I don't see the difference between the two products (except for the G in the name): - Item no. 11914006 - https://www.digitec.ch/de/s1/product/logitech-g604-lightspeed-kabellos-maus-13093110 - Article no. 13093110- https://www.digitec.ch/de/s1/product/logitech-g604-lightspeed-kabellos-maus-13093110 Can anyone give me information?