Genius NetScroll+Mini Traveler 400 Black USB

Description: Connection interface: USB Type A, operating principle: optical LED, number of keys: 3, optical sensor resolution: 400 dpi
Additional Information: The mouse's smaller size makes it easy to fit into your bag while traveling.
Type: Compact mouse
Connection type: Wired
Principle of operation: Optical LED
Connection interface: USB Type A
Number of keys: 3
Built-in Options: Scroll wheel
Optical sensor resolution: 400 dpi