Right Hand Wireless Optical Vertical Mouse

Ergonomic Vertical Design 2.4G Wireless Mouse:  it can work stably and fast within 19.22ft/15m distance with no interference 4 Adjustable DPI Values Extra Functional Buttons Power Saving Mouse Support plug and play: just plug the included USB Nano receiver into your computer's USB port with no extra driver needed.   2.4G Wireless Mouse Unlike those traditional ones which strain wrist and arm over time, causing great pain, this mouse encourages natural “handshake” wrist and arm posture for long-term healthy benefits. Well-designed, contoured shape seamlessly fits and moves with your palm, allowing smoother movement and preventing hand fatigue.     4 Adjustable DPI Values Simply press the DPI button to select among 1000/1600/2000/2400 for smooth and precise tracking on a wide range of surfaces. You can conveniently change the cursor speed to suit different scenes.     Extra Functional Buttons Added Forward/Backward buttons provide convenience when browsing web pa