Lenovo 4Y41K04031, Full-size (100%), Wireless, RF Wireless + Bluetooth, Scissor key switch, Gray Lenovo 4Y41K04031. Keyboard form factor: Full-size (100%), Connectivity technology: Wireless, Device interface: RF Wireless + Bluetooth, Keyboard key switch: Scissor key switch, Keyboard number of keys: 105. Cable length: 39.4" (1 m). Recommended usage: Office. Product color: Gray