【Ergonomic Design】Natural ergonomic vertical, through the natural handshake and arm position, to achieve smoother movement and less overall stress, effectively reducing the user's wrist strain and muscle pain. Best therapist for wrist pain, shoulder fatigue, carpal tunnel syndrome and tendonitis.【Wired USB Mouse】Naturally ergonomic vertical design with 1.5m cable. 5 buttons give you more control over your computer system and increase your productivity.【No Battery Required】No need for any driver, plug and play mouse, with USB 2.0 interface, standard setting function is easy to get started. Portable and lightweight, it is very convenient to carry and store.【Easy to Use】All buttons are easy to operate and won't twist your fingers.The button power is light and easy to click,but still firm enough to avoid accidental activation.Convenient for web browsing,the best choice for Internet surfers,gamers and people who work in front of the computer for a long time.【Wide Compatibility】The wired vertical mouse compatible with Windows 7/8/10, XP, Vista 7/8 and Linux etc. Fits for desktop, laptop, PC, and other devices.