The Vario 340 is a high quality yet affordable 40-cell braille display for computer users in need of a compact, lightweight solution for use with computers at home, work, or school. Like other BAUM braille displays, Vario 340 is a Human Interface Device (HID), which means a driver does not need to be installed to use it. Vario 340 features a reversible USB Type C port, which means it doesn’t matter which direction the USB plug is facing. Vario 340 has everything you need for quick access to information. Plus, it’s easy and comfortable to use.