Goldtouch GTP-0044 Go!2 Mobile Keyboard (USB) Adjusts from 0 to 30 along the horizontal and vertical planes. Scissor-switch system for fluid, silent keystrokes with tactile feedback. Slim shape allows it to fit neatly within even the smallest spaces. Driver-free installation. Folds in half for convenient travel storage. Compatible with Windows 10, 8, 7, Vista, XP, and 2000, and Mac 10.4 and above.