USB Numeric Keypad with Hub
-Compatible with Windows 98 / SE / ME / 2000 / XP
-With 2pcs HUB for convenient usage)
-Layout: 23 keys
-Keys High: 4. 0mm
-Keyboard N. W.: 90g
-Switch reliability: 10 million cycles
-Keyboard dimensions: 135 x 88 x 12mm
-Interface: USB Key: