Mouse C-TECH VEM-09 Vertical Ergonomic:Are you looking for an amazing mouse to go with your computer? With help from the C-TECH VEM-09 Vertical Ergonomic, you can work with your computer with ease. This is a wireless mouse. It wont irritate you with annoying cables. It can be easily connected to your computer via radio waves. The body of this mouse has a vertical shape. It wont cause you pain after long periods of use, and its easier to hold. The body of this mouse is designed for those who are right-handed. This mouse uses the very reliable optical technology. The mouse has a sensitivity of up to 1600 DPI. You will be able to use 6 buttons,, ideal for more demanding users. It draws power via AAA batteries. The mouses button for changing the DPI value allows you to change sensitivity. This particular model is meant for use in the office, but casual players will also appreciate it. C-TECH VEM-09 Vertical Ergonomic Mouse Key Features Wireless PC mouse means no tangled cables Optical tech ensures smooth operation Vertical construction of the mouse is very easy to use, and your wrist will not hurt after using it for a long time Wirelessly connects with radio frequency technology C-TECH VEM-09 Vertical Ergonomic gaming mouse sensitivity equals 1600 DPI Offers 6 various buttons DPI can be changed with one button Battery type AAA Mouse requires 2 × batteries