<b><br>Specifically Ergonomic designed for left-handers<br><br></b> Lefties of the world have to deal with many disadvantages in daily life products. Choosing a comfortable mouse to protect us from daily muscle injury should be easy, but might seem a luxurious wish for most lefties. <br><br> This 7Lucky Left-handed mouse is intersection of class, comfort and functionality for the 21st century.<br><br><br> <b>Comfortable and Easy-access use<br><br></b> Tired of using the traditional grip? Take a break from overly-clunky or uncomfortably tiny mice. The ergonomically-designed thumb rests and grips fit the contour of your palm for maximum comfort.  <br><br><br> <b>Streamline design for the most natural position of human wrist. <br><br></b> Slightly tilted left shape, easy grab without bending wrist and arm. Effective prevention of RSI (Repetitive Strain Injury) syndrome. Precisely calculated design of button layout, ideal for left-handers. 6 button design includes one 3-level DPI switch (800/1200/1600) and 2 internet browsing side buttons. Hot key buttons provide an easy reach to every necessary click, greatly reducing repetitive stress on fingers.<br><br><br> <b>Left handed Mouse Specification：<br><br></b> Connection Mode: 2.4G USB<br><br> Item Weight：95g<br><br> Item Dimension：5.0 x 3.0 x 2.5 in<br><br> Sensitivity: 3 DPI modes: 800-1200-1600 Adjustable<br><br> Power Source: 2 AAA Batteries<b> (Not included)<br><br><br></b> <b>Compatible Systems: <br><br></b> Windows 2000<br><br> Windows XP<br><br> Windows Vista, Windows 7, Windows 8, Windows 10<br><br> Linux<b> ( Note: Not compatible with Mac OS )<br><br><br></b> <b>Package Contents：<br><br></b> 1 x 7Lukcy Vertical Ergonomic Optical Left Handed Wireless Mouse<br><br> 1 x 2.4G USB receiver <b>【 USB Receiver is inserted on the bottom of the mouse】 <br><br></b> 1 x User Manual<br><br><br> <b>Kindly Note: This mouse is only for Left handed.</b>