Wireless Mouse 2.4GHz game Ergonomic Design Vertical mouse 1600DPI USB Mice Features: new and Rechargeable 2.4G Wireless Ergonomic Optical Vertical Mouse Ergonomically designed,Reduce fatigue effectively Third block DPI to adjust,up to 1600 DPI resolution Wireless transmission up to 10 meters operating distance Intelligent connectivity, no need to,plug-and play Ergonomically designed,comfortable to use New non-delay technology With an ON/OFF Intelligent power saving management Low power consumption Compact and lightweight, easy to carry Decent and modern design Ideal laptop and desktop companion for home and office use Specifications: Device Type: Wireless Optical Vertical Mouse Pointing Device Connectivity Technology: Wireless Pointing Device Wireless Technology: Radio Frequency Operation range: Up to 10m Wireless Operating Frequency: 2.4GHz Operation Mode: Optics Resolution: 800DPI/1200DPI/1600DPI Number Buttons: 6 Buttons: Left button,Right button,Rolling wheel,Page Up,Page Down,DPI Key Scroller Type: Scroll Operation systems: Windows 98, 2000, ME, XP,, Win 7 and more Power:2* AA Battery Material: ABS Color: Black,white Package includes: 1 * Wireless Optical Vertical Mouse 1 * USB Receiver Wireless Mouse with More Color -- If you want a cute, colorful mouse, this could be your choice. Also, the various color option and the compact size make it the best choice for home, office or travelling use. Plug & Play Super Easy to Use -- Really plug & play design, no drivers need to be installed. 2.4GHz wireless transmission technology provides a powerful and reliable connection up to 33ft. Portable Size & Noiseless Mouse -- Portable design make it easy to store in bag for traveling, responsive buttons provides very soft click with less noise, no more disturbing for others with the loud clicking sound. Only 1 AA Battery is Required -- It takes only 1 AA Battery(NOT Included) to operate this mouse, and the wireless mouse will turn to sleep mode in 10mins of inactivity for energy saving, can be easily activated by clicking any buttons. PC Mouse with Universal Compatibility -- Work perfectly for Windows XP, Windows Vista, Windows 7, Mac OS X 10.4 etc.