***** **********Best Quality Guranteed.
*****OMRON MICRO SWITCHES: Japanese-made Omron Micro Switches for enhanced tactile feedback and speed with a lifespan of at least 5 million clicks. excellent click feeling and durability.
*****VERSATILITY: Quipping with 34mm trackball and 5 buttons, a full control of everything is within your fingers. Minimizing the repetitive movements of wrist and palm will further prevent long-term muscle sores.
*****ADJUSTABLE DPI: The cursor speed can be switched in 4 steps of 400, 800, 1200, and 1600 counts. When the count switch button is pressed, the number of flashes is notified by the number of flashes.
*****ERGONOMICS DESIGN: The unique, upright and ergonomically superior design of the Trackball Mouse reduces harmful arm and wrist tension by allowing your hand to operate the mouse while remaining in its natural position.
*****PLUG AND PLAY: Do not need to install any drivers, plug in to use, very convenient and stable connection. The high-quality USB plug and the