2.4G Mini Wireless USB Optical Mouse, 800dpi, Black Color.
Optical Sensor from 400 dpi to 800 dpi, adjustable by clicking simultaneously the 2 buttons for 5 seconds.

-- 400 dpi: slow blinking of the scrolling button
-- 600 dpi: fast blinking
-- 800 dpi: super fast blinking

Included

Mini Optical Mouse
 

• Powered by one AA battery
• Working distance: about 10m
• PLL technology with automatic adjustment
• Plug & Play, driverless under Windows ME/2000/XP.
• Small size, ergonomic design for left hand and right hand.
• Insert the OS CD under Windows 98SE to install the driver (in USB mode).
• Optical technology: Ensures accuracy and precision, works on any surface except glass.
• Scroll up and down directly without moving your hand.
• Switch vertical to horizontal freely.
• Button life: over 1,000,000 times.   

Included

Mini Optical Mouse