Features: Gray and black matching color, classic and dirt-proof. Anti-slide striation surface design for comfortable feel and precise position. Wired mouse, convenient and easy to take outside. Special ergonomic design gives you marvelous experience while gaming. Wrist support to give you an amazing feeling in games. The wrist support is removable, easy and convenient to use. Description: High precision two way mouse wheel with right and left button on side. Forward and backward button for convenient and easy thumb control. It helps to reduce the pressure and pain caused by the mouse on the wrist. Specifications: Brand name: Model: M618 Material: ABS Color: black&gray Size: 135.3*100*87mm DPI: 800/1600/2400 Button: 6 Location mode optical Package Included: 1 x Vertical Mouse Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Due to different personal measuring techniques, there might be 1-3cm error of the physical. Thank you