Universal PS/2 QWERTY UK English Full-size (100%) Trackball + mouse buttons Grey 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 Keyboard Certification c-tick, UL, VCCI, CE, FCC, VDE, BSMI Fingerprint reader No Purpose Universal USB hub No Keyboard keys operating life 20 million characters Keyboard number of keys 84 Numeric keypad No Keyboard form factor Full-size (100%) Pointing device Trackball + mouse buttons Keyboard language UK English Keyboard layout QWERTY Device interface PS/2 Connectiv