Brand Motospeed Model K60L Quantity 1 Color Black Material ABS Key Numbers 104 Connection Method Wired Power Supply USB Multi-media Key Yes Supports System Windows 2000 / XP / Vista / 7 Other Features Key maximum load: 55 +/-7g; Key minimum resilience: >=15g; Button life: 10000000 times; Working voltage: 5V +/-5%; Cord length: 1.8m; Three-color backlight: Blue / red / purple free to switch and with breath light; Backlight brightness can be adjusted provides more protection for your eyesight; Has eight multimedia shortcut keys brings more convenience; Third gear speed switch freely; With sleep function backlight auto off when in sleepy mode. Packing List 1 x Keyboard