Genius NetScroll+Mini Traveler Blue USB+PS/2

Description: Connection interface: PS/2, USB Type A, operating principle: optical LED, number of keys: 3, optical sensor resolution: 400 dpi
Type: Compact mouse
Connection type: Wired
Principle of operation: Optical LED
Connection interface: PS/2, USB Type A
Number of keys: 3
Built-in Options: Scroll wheel
Number of programmable keys: 3
Optical sensor resolution: 400 dpi