Logitech K400r Wireless Touch Keyboard Model : Y-R0019 ( No USB Receiver )

Logitech K400R Wireless Touch Keyboard with Touchpad Black - No Receiver/Adapter

Logitech Black K400r Wireless Slim Keyboard Touchpad & USB Unifying Receiver

Logitech Black K400r Wireless Slim Keyboard Touchpad w/USB Unifying Receiver

Logitech K400r Wireless Keyboard w/ Built-In Touchpad No USB Receiver READ

Logitech - K400 Plus TKL Wireless Membrane Keyboard

Logitech K400 Plus Wireless Touch Keyboard with Touchpad

Logitech K400 Plus Computer keyboard RF Wireless Gray NO Dongle