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Model No. PT-977
Type Asynchronous Slim Keypad with Calculator
Key No. 23 Keys incl. ESC,Calculator, Space, Equal, Tab and Num Key
Dimension 150.7(L)mm x 87.3 (W)mm x 29(H)mm
Interface USB Interface
Cable length 80cm
Color Black or Customizable
Switch life 5 Million cycles
Weight 350 ±20 g
Voltage 4.5 V to 5.5 V
Current 35mA (max.)
Compatible Windows 98SE/2000/ME/XP/Vista/7/8
Safety CE Certificate


l  Elegant slim shape with extra Calculator, ESC, Space, Equal Key, Num & Tab Key

l  Numeric Keypad enhances any notebook computing experiences

l  Plug-and-play install. No driver to achieve Asynchronous functions

l  Asynchronous function keeps its number-lock independent from computer's keyboard.

l  Ultra slim, lightweight construction make it easy to pack and travel.