Item model number: 920-002912
Solar-powered keyboard: No battery hassles - any light source keeps your keyboard charged for at least three months in total darkness
Only 1/3-inch thick: Ultra-thin design adds sleek style to your workspace.System Requirements:Windows-based PC: Windows XP, Windows Vista , Windows 7, Windows 8, Windows 10, Light source from sunlight and/or indoor lighting
Feel-good typing: Logitech-only concave key cap design for faster, quieter, more comfortable typing
Powerful 2.4 GHz wireless: Enjoy a reliable connection using a tiny Logitech Unifying receiver that stays in your computer
Works with Windows-based laptop and desktop PCs
Logitech has different serial numbers for packaging vs. product, please keep your receipt for warranty purposes.