Logitech G603 scroll wheel malfunction fix (FREE)Works on G703, G305, G103, GPro, G403, G203, & more - YouTube
Logitech G603 Lightspeed Wireless Gaming Mouse : Logitech G603/G613 wireless gaming mouse and keyboard review: Is it possible to game without wires? - HardwareZone.com.sg
Logitech announces new G603 Lightspeed wireless gaming mouse and G840 Extra-Large mouse pad | Page 6 | Overclock.net