Type: Membrane
Multimedia keys: 12, press FN+F
Keycaps: floating keycap, incurve
Water drainage design: Yes
Backlight option: Yes
Dimension: 433x127x30mm
Wired model: 190
Connection: PS/2 or USB
Cable length: 1.4m
Wireless model: 290
Connection: 2.4G with nano receiver
Working distance: 10m max.
Battery: 1 x AA