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Cable Connectivity - USB Interface - 19 Key - Compatible with Computer (PC) - Built-in USB Hub, Calculator
3-in-1 design: use as a fully functional calculator or a 19-key pad for data entry or a USB hub
Quickly switch between keypad and calculator with a simple press of the mode button
No software needed, just plug it in to use
Clear LCD display works in various lighting conditions
Don't struggle with those awkward number keys on your laptop anymore! The Notebook Keypad/Calculator with USB Hub is a full 19-key pad so your fingers glide quickly through data entry. Or switch to stand-alone calculator mode to easily make and enter calculations.
NOTEBOOK KEYPAD/CALCULATOR WITH USB HUB (K72274US) - - B00IF0JPMQ