The Logitech M-CW47 Mouse was manufactured by Logitech in 1998.
It has a 331054-1011 C4.1 Microchip and 5 SMD (Surface Mount Device) transistors
Refrences: http://www.tcocd.de/Pictures/Peripheral/Logitech/mcw47.shtml http://www.tcocd.de/Pictures/Peripheral/Logitech/mcw47-4_large.jpg