A4Tech OP-20 Red USB+PS/2

Design: For left hand, for right hand
Description: Connection interface: PS/2, USB Type A, design: left-handed, right-handed, operating principle: optical LED, number of keys: 3, optical sensor resolution: 800 dpi, features: backlight
Peculiarities: Backlight
Additional Information: Side rubber inserts for comfortable work. Silent, wide, illuminated scroll wheel.
Type: 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: 800 dpi