Wired Ergonomic Vertical Mouse With 3 DPI Modes, 6 Buttons ,Experience The Comfort Of Working Features: Ergonomic Mouse For Your Right Hand - The vertical mouse with upgraded optical ergonomic and friendly design keeps your hand and arm staying more naturally. The ergonomic shape encourages "handshake" wrist and arm positions. Effectively smoother and less overall strain compared with a regular mouse. Adjustable 3 DPI High Sensitivity - between DPI 800, 1200 and 1600 to adjust mouse responsiveness depending on your need and preference. Such as browsing the website, editing a diagram, drawing a picture, etc. Featured Buttons - All buttons are easy to operate and won't your . The Forward/Backward button is in an exact place and will help you greatly improve your efficiency. The button power is light and easy to click. Plus, the scroll wheel offers great durable quality. Plug and Play - Plug and play mouse with USB interface, easy to start to use with standard setting function. What's more, Frosted Surface for a Comfortable Grip - Designed with a frosted surface for a comfortable grip. The frosted surface also provides a more secure hold, allowing users to make movements without worrying about losing their grip. Additionally, the frosted surface helps to reduce sweat buildup, making the mouse more comfortable to use for long periods of time. Portable and lightweight - Very easy to carry and store. The lightweight design of the mouse helps to improve posture, reduce pressure on wrists and muscles, and bring you a more comfortable office experience. Product Description: Product size: 103 x 72x 56mm Connection : USB interface Number of buttons: 6 Material: Plastic DPI: 800/1200/1600 The package includes: 1x Mouse