High performance right down to the smallest detail!N/ANeed 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.N/AN/AKey benefitsN/A- Individual keys with Gold Crosspoint contacts (MLN/Atechnology)N/A- Designed for continuous usage - over 20 mill. confirmationsN/Aper keyN/A- High level of reliability and unique precision confirmationN/AfeelingN/A- Integrated trackball plus 2 mouse keysN/A- Extremely flat - total height just 20 mmN/A- LightweightN/A- 83/84 keyboard layout with all the functions of a standard keyboardN/A- Can be used with the standard drivers of the operating systemN/A- Ideal for limited space and 19" applications