YOCUNKER Wired Trackball Mouse, Easy Thumb Control Ergonomic Mouse, Comfort Design & Precision Smooth Tracking, for PC, Laptop, Computer (B-Style-Green)Fashion

Original ergonomic mouse: ergonomic design encourages healthy neutral “handshake” wrist and arm positions for smoother movement and less overall strain.

It can be held in the hand, as easily as holding an egg, and can be placed in front of the computer in any posture without plane support; whether sitting on the sofa or lying on the bed, it can be used conveniently, alleviating the pain caused by long-term use of the mouse. Wrist pain and cervical discomfort.

How to use: Hold it in your hand, put your thumb on the rolling ball naturally, place your index finger and middle finger on the left and right buttons, roll the ball with your thumb, and move the mouse precisely.

Added next/previous buttons provide convenience when webpage browsing; the superior choice for internet surfers, gamers, and people who work at length at the computer. If you need to turn pages, turn the thumb wheel, and the left and right buttons are the same as an ordinary mouse

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Optical Mouse: The Trackball Mouse provides precise cursor movement for superior accuracy so you can get where you want on the screen quickly with less hand movement, improving efficiency. It is very easy to move in any direction.

WIDELY COMPATIBLE — Widely compatible with Windows 2000 / XP / Vista / 7 / 8 / 10 / Linux. Works with ALL operating systems, including Apple. Once you get used to the ergonomic mouse, you will love it so much!