Ergonomic Mouse,2.4GHz Wireless Mouse Vertical Mouse, Rechargeable Cordless Mice with USB Receiver, 800/1600 / 2400/3600 DPI Adjustable, Computer Mouse for Laptop, PC, Computer, Desktop(Black)

Product Specification: Material: ABS DPI: 800/1600/2400/3600 DPI Button: 5 buttons in default / 1 scroll wheel (middle button) Product Dimension: 4.84 *3.54*2.83 inches Wide Compatibility: Device Compatibility: PC, Laptop, Computer, Desktop Package List: 1 * Wireless Vertical Mouse 1 * USB Receiver ( in the bottom of the mouse ) 1 * User Manual 1 * Charging Cable Warm Tips: If you haven't used the vertical mouse before, you may initially find it difficult to use. Please continue use over several days. Once you get used to the ergonomic mouse, you will love it so much!