ELECOM EX-G Trackball Mouse, Wired, Thumb Control, Ergonomic Design, 5-Button Function with Smooth Tracking, Ergonomic…

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《ERGONOMIC UNIQUE DESIGN》The mouse design is based on 6 different muscle and skeletal structures of the hands giving special emphasis to the folding actions of the hands to provide a new level of hand comfort.
《FUNCTIONAL 5 BUTTONS》You can assign favorite function to each button by using “ELECOM Mouse Assistant” ELECOM Mouse Assistant Software will be available to download from ELECOM NET website.
《DPI CURSOR》Designed with a high-performance gaming optics system sensor and lens. The DPI button can easily change between 750(LOW) and 1500(HIGH) DPI, making the movements of your cursor faster or slower.
《RED BALL FOR THE BEST OPTICAL TRACKING》 For the tracking accuracy and the best sensor, this item uses a RED BALL. RED COLOR sensing provides more accuracy for current optical tracking technology, a must for high-performance gaming optics system sensors. You will enjoy the results of trackball high performance optical sensors for all movement!!
《PRODUCT DETAILS》System requirements: Windows Vista, Windows 7, Windows 8.1, Windows RT8.1, Windows 10 (Horizontal scrolling function is not working in Windows RT8.1), macOS 10.10, Size: W3.7″(94.7mm) X L4.9″(124.4mm) X H1.9″(47.7mm), Weight: 5.3oz(without battery), DPI: 750/1500 count (switchable), Connectivity: wired