Feature

●This is a mouse with a thumb operation trajectory ball. The operation method is very close to normal mouse. Its easy to get used to it
●This mobile trackball has a compact design that is easy to carry. This wired style cord is approximately 1.8 meters long
●USB 2.0 interface, plug and play, no software needed
●Trackball motion detection sensor features optical sensors with reflective lenses ideal for smooth clear coating surfaces of the ball
●System support: Windows 2000, Windows XP, Windows 7, Windows Vista, Windows 98, Mac OS, Windows ME, Windows 8

[Wired]

[battery]

Description

Y-09 Trackball Mouse Side Wheel USB Wired Small Optical Thumb Operated Handheld Air Mouse Flat Bottom Double Use for Teacher Conference PPT (Red Trackball, 1.8m Wired)