Item Type: Optical Vertical Mouse <br>Connection with Computer: Wireless <br>Optical Resolution: 1600DPI <br>Transmitting Power: +5db maximum <br>Number of Keys: 6 Keys <br>Wireless Transmission Frequency: 2.4Ghz <br>Adjustable Resolution: Three levels and below <br>Battery Specification: 2 x AAA batteries (not included) <br>How to Use: <br>1. Turn on the mouse power switch <br>2. Insert the wireless USB head into the USB interface <br>3. Mouse can be used1、The mouse is specially ergonomic designed for right?handed users to reduce muscle strain. Wrist pain, shoulder fatigue, carpal tunnel syndrome and tendinitis can all be relieved <br>2、3 level DPI (800/1200/1600) can meet general and gaming needs, equipped with advanced optical engine, can provide faster response speed, smoother tracking and higher accuracy movement <br>3、Support intelligent power saving, the independent on/off button at the bottom can effectively save energy <br>4、Easy to use, just plug and play. The size of the vertical mouse will fit perfectly in the palm of your hand <br>5、2.4GHz wireless technology can provide stable and reliable connection without any interference within a 360?degree range within 10 meters. You can enjoy fast data transmission with the convenience of wireless technology 6、The product is compatible with for Windows 2000/Windows XP/Windows 7/Windows Vista/Windows 98/OS X/Windows ME/Windows 8/Windows 10/etc.<p>1 x Mouse</p><p>1 x User Manual<br></p><p>1 x USB Head</p>