19 Keys Mini USB Number Keyoard Numeric Keypad for Laptop PC

Features:
High quaility product,Brand new.
* Ultra-thin notebook computers caps design,Aesthetic appearance
* Durable structure,long life
* Non synchronous digital input, no affection to the other keyboard

Details:
Number keypad with 19 keys
USB interface with approx 1.1meter cable
Plug and play , hot swappable
key trip:3.0±0.3mm
Surcharging height:0.25±0.05mm
Maximum Pressure:55±5g
Operating temperature:0-55ºC
Key life:800 million and above
Keypad dimension:100*140*15mm( approx)
Compatible with USB port on any PC or laptop
Compatibility: Windows 98/ME/2000/XP/Vista /Mac os 10.4above