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Specifications: ■Interface: USB ■ Connector shape: USB (A) male ■Compatible models: Windows OS with USB port and macOS equipped ■ Compatible OS: Windows 11/10/RT8.1/8.1/7/Vista/XP, macOS Sonoma 14/macOS Ventura 13/macOS Monterey 12 *Updates of each OS and installation of service pack may be required. ■Resolution: 500/1000/1500 count (switchable) ■Reading method: optical sensor system ■ Injection light type: invisible wavelength range ■Number of buttons: 8 *Includes wheel buttons ■Number of wheels: 1 ■ Ball diameter: Diameter approx. 2.0 inches (52 mm). ■ Horizontal scroll function: yes ■ Power Supply: USB bus power ■ Rated voltage: 5V ■Color: Black ■External dimensions: W 4.5 x D 7.2 x H 2.2 inches (114.7 x 181.9 x 57.2 mm) ■Size category: LL size ■ Cable Length: Approx. 4.9 ft (1.5 m) ■Weight: Approx. 9.5 oz (268 g) *Includes cable ■ Accessories: 1 x User Manual ■VCCI classB compatible: ■Warranty period: 6 months 【D�����������پ��Dz�】 ■ The HUGE" trackball mouse is a 52mm diameter large ball that allows you to move the pointer more wide with one operation. - The upper part of the main body is made of memory foam palmrest that allows the entire palm of your hand to be placed on your wrist, reducing the burden on your wrist due to long time working PC. ■ The sensor detects the motion of the trackball is equipped with a high performance optical sensor that is gamering. ■ We thoroughly analyze the color and coating thickness of the trackball that is suitable for optical sensors and reviewing the design of the trackball from scratch, resulting in ultimate pointer tracking performance. - By using the highest quality support balls with a large 0.1 inch (2.5 mm) diameter for the support sphere and using only the smooth surface, this ball has been carefully selected. In addition, since the support ball is large, the support ball is less likely to bury in the dirt such as hands, reducing maintenance frequency. - The left and right buttons are made with OMRON switches that are highly reliable and have a reputation for the click sensation. ■ Equipped with "Forward" and "Backward" buttons to increase the efficiency of browsing the webpage. - Equipped with a tilt wheel that allows you to scroll left and right by simply tilting the wheel. It is convenient for you to operate the long side screen such as Excel. ■8 buttons and left scroll 2 directions, total 10 functions can be assigned to your preference. Button function assignments can be changed using the free downloadable Elecom Mouse Assistant. ■ Comes with a speed change switch that allows you to switch the moving speed of the pointer to 3 levels of 500/1000/1500 counts. ■ The ball can be easily removed from the hole on the back side, making it easy to maintain the ball and inner ball cradle. ■ Replacement balls are not available. Please clean the ball body and mouse before using. We recommend routine maintenance as dirt may dull ball movements. Maintenance method: Please use a cleaning cloth. ■ Replacement balls are not available. Please clean the ball body and mouse before using. We recommend routine maintenance as dirt may dull ball movements. Maintenance method: Please use a cleaning cloth. Product inquiries Elecom General Information Center TEL. 0570-084-465 FAX. 0570-050-012 Reception Time / 10:00 - 19:00 24/7