ELECOM Wired Trackball mouse M-XT2URBK-G (Redball)

• THUMB OPERATED: Equipped with high-performance optical sensor to detect movement of trackball. Optimized outstanding pointer following by high-perfornce lens and peripheral optical design.
• ERGONOMIC DESIGN: Ergonomic design is easy to operate and reduce fatigue.
• SWITCHABLE POINTER SPEED: Switch two phases pointer movement speeds (750/1500) by the speed change switch.
• HIGH DURABILITY SWITCH: High durable switch by OMRON company adopts in right and left buttons.
• RESOLUTION: 750/1500 count (switchable). It is easy to remove the ball, you could clean the hole easy. simple package and easy to take out the product

Specification

• 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
• Resolution DPI: 750/1500 count (switchable)
• Size: W3.7"(94.7mm) X L4.9"(124.4mm) X H1.9"(47.7mm)
• Weight: 5.3oz(without battery)
• Connectivity: wired