DELL 580-ADGK, Wireless, RF Wireless, Membrane, QWERTY, Black, Mouse included DELL 580-ADGK. Keyboard form factor: Full-size (100%). Keyboard style: Straight. Connectivity technology: Wireless, Device interface: RF Wireless, Keyboard key switch: Membrane, Keyboard layout: QWERTY, Recommended usage: Office. Product colour: Black. Mouse included