The Astra backlit keyboard with numeric keyboard features an elegant, slim line Black keyboard with low-profile scissor-switch keys for a light, yet responsive feel. With five selectable light levels, The Astra is the perfect choice for any lighting environment. The keyboard features two USB 2. 0 ports to enable you to connect E. G. Your mouse, Contour shuttle or a USB-Dongle. The Astra keyboard is developed with two USB cables. One for the keyboard itself, and one for the USB hub, At the back of the keyboard. The reason for having a separate cable for the USB hub is to avoid problems with installations that require a KVM extender. Designed for Avid Pro Tools 2018· backlit keys· dimmable light with five selectable levels· built-in dual usb-ports 2. 0· scissor-switch keys color-coded labelled shortcut keys with Graphical commands· dimensions - 17-5/8 x 6 x 11/4 (446mm x 150mm x 30mm)· Net Weight - 2. 1 lbs (950 grams)· number of keys - 104 (ANSI version) 105 (ISO version)· manufactured for 10. 000. 000 keystrokes per Key· 1. 8 meter cable with separate keyboard and Hub connections (to avoid interference with USB extenders).