About this item; Naturally adjusts your hand to a wrist-grip position to reduce wrist stress and provide comfort during extended periods of computer use. Ergonomic Vertical Mouse - Ergonomic mouse designed for the right hand, helps maintain a natural gesture when using the mouse for extended periods, powered by AAA batteries. Provides reliable wireless operation to keep your desktop tidy. Widely compatible with Windows 2000/XP/Vista/7/8/10/ME/Vista/98, Linux, Mac OS, and other systems. Suitable for MacBook, PC, laptop, desktop, notebook, and other devices. Easily switch between 1000/1200/1600 DPI high-precision cursor speeds for optimal control for different tasks. Mouse sensitivity can be changed via the DPI control button; 1000/1200/1600 DPI resolution optical tracking can be adjusted in three speeds on a variety of surfaces for greater precision. The textured side grip design ensures a secure grip, and the shape that conforms to the hand and thumb provides comfortable support. The ergonomic six-button mouse is ideal for computer mouses, gaming, and other online activities. It's worth noting that it features "Previous Page" and "Next Page" functions.