Perixx Small Wireless Ergonomic Mouse Silent Design Black PERIMICE-719

[Small Ergo Mouse] Size: 105x67x58 mm Designed to be smaller than regular ergonomic mice, it is suitable for people with small hands. If you feel that PERIMICE-508/608/513/713 is too big, please try it. [Ergonomic Design] Vertical ergonomic design that fits perfectly in your hand and keeps your wrists and arms in a natural shape. Recommended for those who work on a computer for long periods of time and those who suffer from wrist pain. Surface rubber coated to prevent grip from slipping. [Quiet and energy-saving design] Quiet design type that is easy to use even in places where clicking noise is a concern. Equipped with On/Off switch and power saving function. Uses 1 AA battery (batteries are not included). [Useful features] Equipped with 6 buttons including the browser's "back" and "forward" side buttons, uses an optical sensor, and can be switched to 3 levels of DPI reading accuracy (800/1200/1600). Plug and play type with no driver required. The included nano receiver can be stored on the back of the main unit.