Need a pointing device? But space restrictions prevent you from using an extra mouse? The ultra-flat compact keyboard with built-in trackball is the perfect solution. The keyboard is optimally suited for 19-inch applications, slim-line PCs and laptops. - Individual keys with Gold Crosspoint contacts (ML technology) - Designed for continuous usage - over 20 mill. confirmations per key - High level of reliability and unique precision confirmation feeling - Integrated trackball plus 2 mouse keys - Extremely flat - total height just 20 mm - Lightweight