Description: Durable Material: It comes with the plastic material, not easy to deform or break. It can serve you for a long time. Special Design: Ergonomically designed optical technology that works on many different surfaces and is for ideal for home, office or gaming. Useful Function: This vertical optical mouse with ergonomics design, through comfortable little fingers and thumbs support and contoured palm support, seamless, healthy and efficient to ease the tension of the wrist. Fine Workmanship: When using the mouse, the body design will make your wrist comfortable. Meaningful Tool: It's very suitable for game enthusiasts, programmers, office workers, surfing teenagers. Specification: Color: As Shown. Material: Plastic. Size: Approx. 12.5*7.5*6.2cm/ 4.92*2.95*2.44in. Interface: USB. Note: There might be a few color distortions due to different resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Wired Vertical Mouse.