Combatwing T20 Mechanical USB Numeric Keypad for Desktop/Laptop

The Combatwing T20 Numeric Keypad is engineered to provide fast, efficient and comfortable typing experience for spreadsheets, accounting or financial applications. The Mechanical Number Pad features an ergonomic design, non-slip rubber pads, long & durable cord and plug-and-play USB interface for max comfort and convenience.
Features
Fast, efficient and comfortable data entry.
Built-in blue switches provide you with tactile bump and audible click.
Ergonomic layout and non-slip pads for added comfort.
5 million times keystroke tests ensure long service time.
Durable and long cable for easy placement.
Plug and play convenience.
Compatible with Windows 2000/Win XP/Win ME/VISTA/Win 7.
Note This numeric keypad is not fully compatible with Mac OS X. Function keys do not work, while the other keys can work fine.
Specifications
Model T20
Mechanical Switch Type Blue switch (with clicky sound)
Key Lifespan 50,000,000 times
Rated Voltage 4.5V-5V
Rated Current Below 350mA (MAX)
Operating Temperature range 0-40 degrees Celsius
Key Quantity 22
Cord Length Approx. 1.9m / 6.23ft
Interface USB interface
Compatibility Windows 2000/Win XP/Win ME/VISTA/Win 7 Product Weight247kg
Product Size14 x 8.6 x 3.6 cm
Product Contents1 x Numeric Keypad 1 x Manual