Brand AULA Model BE FIRE Quantity 1 Color Black Material ABS plastic Key Numbers 104 Connection Method Wired Power Supply USB 2.0 Supports System Windows 2000 / XP / Vista / 7 Other Features Saving space designtop-grace beautiful appearance. delicate appearancelarge comfortable palm resteffectively reduce hand fatigue. special three color LED designevery backlight have four gear to adjustmore reveal it elegant and humanized function. humanized designadd a series of shortcut function keys cooperated with FN key. with 3 color backlight switch by:FN +pad5blueredpink switching cycle. key route:2.0mm; key force:50+/-5g; rated voltage/current: DC5V/250mA Packing List 1 x Keyboard (150cm-cable) 8 x Key caps 1 x Chinese / English user manual