Anker 2.4G Wireless Vertical Ergonomic Optical Mouse, 800 , 1200 ,1600DPI

Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain.

800 / 1200 / 1600 DPI Resolution Optical Tracking Technology provides more sensitivity than 
standard optical mice for smooth and precise tracking on a wide range of surfaces. 

Added next/previous buttons provide convenience when webpage browsing; the superior choice 
for internet surfers, gamers and people who work at length at the computer. 

Package includes:

1 Anker Wireless Vertical Ergonomic Optical Mouse (batteries not 
included),

1 2.4G USB receiver (in the bottom of the mouse),

1  instruction manual.