Brand Genius Model LeiShen K11 Quantity 1 Color Black + red Material ABS plastic Key Numbers 112 Connection Method Wired Power Supply USB 2.0 Multi-media Key 8 Supports System Windows 2000 / XP / Vista / 7 Other Features 13 keys without conflict Key travel: 45g +/-5 keystroke force: 53g; Blue red and purple 3-mode backlight design can be change freely or lock; Win key lock / unlock special design one key for Windows function lock / unlock; Good touch feeling anti violent stroke. Anti magnetic interference stable data transfer. Packing List 1 x Keyboard (150cm) 1 x Chinese user manual