2.4GHz Wireless Mini Optical Mouse with USB Mini Receiver, Plug and Play, Working Distance up to 10 Meters (Black)

1) 2.4GHz wireless technology 2) Optical sensor up to 800 / 1600 dpi 3) With power switch 4) 3 buttons optical wheel mouse 5) Step and scroll wheel design 6) Superior navigational control 7) Designed for left and right hands 8) Compatible with Windows 98 S