Cool and Funny Basketball Shape Design: 3.70 * 1.96 inch, suitable for your hand, perfectly for travel, easy to put in your laptop bag or pockets, best gift for your friends of familiesComfortable and High Resolution: You will remain comfortable even after long hours of clicking, tracking, and scrolling. 1000DPI resolution optical tracking technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces2.4GHz Wireless Transmission Technology: 2.4GHz Wireless provides a powerful, reliable connection, increases working distance of up to 33ft / 10mIntelligent connectivity: No need to code, plug & play, easy to use, comes with a USB receiver (stored in the bottom of the mouse). Note: powered by 2 * AAA batteries (not included)Wide Compatibility: Well compatible with Windows7/8/10/XP, Vista7/8 and Linux etc. Fits for desktop, laptop, PC, Mac book and other devices. Works better with mouse pad