NCAA Oregon State Beavers Mini Wireless Optical Mouse Miniature wireless optical mouse designed for maximum portability USB wireless receiver stores inside mouse when not in use; quick-release button ejects it Scroll-wheel for convenient navigation; low-battery indicator light Screen-printed with the official NCAA College Basketball team logo of the Oregon State Beavers; other teams also available Measures 2-1/4 x 5/8 x 1/4 inches