Reddit reviews ELECOM Wired/Wireless/Bluetooth Thumb-Operated Trackball Mouse, 8-Button Function with Smooth Tracking, Precision Optical Gaming Sensor (M-XPT1MRXBK)

The EX-G PRO trackball is fast, efficient, and more durable thanks to reliable, gaming-grade parts inside. This means you can use it for longer and with more reliability than standard ELECOM miceMapping your 8 buttons and left/right wheel directions becomes easier with ELECOM Mouse Assistant. This allows you to better match your gaming experience, be it MMORPGs, or first-person shootersYou can easily choose between wired, wireless and Bluetooth. This rechargeable mouse is also great for home, travel, gaming, or work use, and the receiver can be stored inside the bottom of the mouseDesigned with a high-performance gaming optics system sensor and lens, as well as change DPI cursor speeds, the scrolling, strafing, and movement speed of our ergonomic trackball mouse is unmatchedThe large artificial ruby is smudge and fingerprint resistant to give you better control and smoother movement. It also helps reduce wear and tear on the mouse and can easily be removed and cleanedNote : The product only includes Japanese manual, but in the user manual available below you can find the instructions & trouble shooting steps in english.