Small Size Choosing the right mouse size is especially important for people who rely heavily on the computer every day. Thanks to its compact size, the Perimice-719 is ideal for small and medium hands. The design with 6 buttons contains two side Internet browsing buttons. The easier it is to reach the buttons, the less the fingers are loaded. The mouse has a wireless stable connection, providing greater flexibility in arranging an organized workplace. Wrist protector Ergonomic design of the mouse is for you the guardian of well-being. The slightly tilted design adapts to the most natural position of the human wrist. The height and arrangement of the buttons are precisely calculated to minimize the amount of finger and wrist movements, releasing muscle tension preventing their damage. Eye-catching buttons Quiet buttons in a charming small size, provide an unusual feeling of grip and comfort of use. The elegant, circulatory look in black will give you a sense of comfort wherever you are. Product Properties Naturally ergonomic vertical design for right-handed Structure with 6 buttons Vertical Mouse size mini Clickless Buttons High quality rubber coated surface Optical sensor and built-in DPI change button Built-in power switch on/off Energy-saving function One AA battery required (the battery is not included in the set).