DELL KB740, Full-size (100%), Wireless, RF Wireless + Bluetooth, Scissor key switch, QWERTY, Gray, Black DELL KB740. Keyboard form factor: Full-size (100%), Connectivity technology: Wireless, Device interface: RF Wireless + Bluetooth, Keyboard key switch: Scissor key switch, Keyboard layout: QWERTY, Recommended usage: Office. Product color: Gray, Black