• OPTICAL TRACKING TECHNOLOGYThe ELEOM trackball provides precise cursor movement for superior accuracy so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiency.
• FUNCTIONAL 8 BUTTONSYou 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 CURSORDesigned with a high-performance gaming optics system sensor and lens. The DPI button can easily change between 500(LOW), 1000(MID) and 1500(HIGH) DPI, making the movements of your cursor faster or slower.
• EASY MAINTENANCEThe ball rolls on three 2.5 mm large artificial ruby ball bearings. They are extremely smooth and the relatively large size prevents dust and dirt from clogging them. So you dont have to clean the ball bearings too often. The ball is held in place by the ball bearings, but can easily be popped out of the device, by pushing it through the hole in the bottom and it can be easily cleaned.
• PRODUCT DETAILSSystem requirements: Windows XP, Windows 7, Windows 8.1, Windows RT8.1, Windows 10 or later, macOS 10.12 or later, Size: W4.5"(114.7mm) X L7.2"(181.9mm) X H2.3"(57.2mm), Weight: 9.2oz(without battery), DPI: 500/1000/1500 count (switchable), Connectivity: wireless, 2 X AA battery(Included)- Battery Remaining Light Lamp equipped.

Open Box. Item is in unused excellent condition. See images for item condition. Everything included can be seen in the images. **Box has minor damage**