This silicone flexible keyboard is compatible with Windows 98, XP, 2000, ME, and VISTA. It is highly portable and can be rolled up for easy storage or transportation. Made from environmentally friendly, wear-resistant silicone material, it is waterproof, dustproof, and easy to clean. Features: The keyboard is lightweight, ultra-thin, and compact, fitting easily into a briefcase, backpack, or notebook carrying case. Constructed with high-quality silicone, the keyboard offers waterproof and dustproof performance, making it suitable for use in various challenging environments. It can be cleaned and disinfected as needed. Designed with good elasticity and quiet keystrokes, it provides a soft and comfortable typing experience. This 108-key keyboard is foldable and impact-resistant. Plug and play functionality—no additional driver required. Equipped with a USB interface for broad compatibility with Windows 98, XP, 2000, ME, and VISTA. Specifications: Item Weight: 255g / 8.99oz Package Weight: 242g / 8.54oz Cable Length: 129cm / 4.23 ft Item Size: 50cm * 13.2cm / 19.67 * 5.20 in (L * W) Package Size: 7.9cm * 14.6cm * 7.9cm / 3.11 * 5.75 * 3.11 in (L * W * H) Package List: 1 x Keyboard