**Type: Membrane
**Multimedia keys: No
**Keycaps: Incurve
**Water drainage design: Yes
Dimension: 452x157x27mm
Wired model: 109
Connection: PS/2 or USB
Cable length: 1.4m
Wireless model: 209
Connection: 2.4G with nano receiver
Working distance: 10m max.
Battery: 2 x AAA