Features: Flexible Silicone Keyboard: This adaptable, foldable and rollable input device proposals smooth typing experience, liquid resistant and particle proof design, perfect for computer users seeking convenience and portability with their 109 key silicone keyboard. Soft & Resilient Construction: Made from sturdy yet flexible silicone gel that's gentle and neutral smelling, allowing effortless rolling for compact storage and easy transport alongside computers and laptops. Liquid & Simple Care: Shielded from spills and dust can be cleaned with damp cloths or sanitizing wipes. Removes need for additional keyboard protects against crumbs or grime. Full Size Practical Design: Measures 17.5x5.5 inches (traditional typing layout) while being more versatile than rigid keyboards. Basic USB Connection: Plug and play corded connection (1.5m wire) works with multiple systems including computers, laptops, tablets and mobile devices featuring host USB support. Specifications: Keyboard name: Foldable quiet waterproof keyboard Connection approach: standard USB2.0 interconnected Keyboard color: white Line length: 1.5 meters Keyboard potential: +5V direct current 250Ma Applicable to: desktop computers, notebooks, smartphones, tablets·Requires function location: /98/myself/two thousand/view/WIN7/robot/los Number of keys/size: 109 Keys: 485x135x6mm Product advantages: USB connection plug-and-play, waterproof, dustproof, foldable to save space Package Includes: Foldable quiet waterproof keyboardx1 note: Pay attention to the storage methods.