Model：X40
*Material:ABS Plastic
*Bare machine size: 123*83*38mm
*9 Buttons design
*DPI 1200-2400-4800-7200
*Light: LED
*Cable length: 1.5M anti-interference magnetic ring braided cable
*Lifespan of Key-stoke: ＞5 million times
*System: Windows XP/Vista/Windows7/8/10/MAC OS
*adjustable counterweight