Logitech Black K400r Wireless Slim Keyboard Touchpad & USB Unifying Receiver

Logitech K400r - Black - Wireless Keyboard with Trackpad - Used

Logitech Black K400r Wireless Slim Keyboard Touchpad with USB Unifying Receiver

Logitech Wireless Keyboard K400r and Trackpad w/ Dongle (Tested/Working)

Logitech - K400 Plus TKL Wireless Membrane Keyboard

Logitech K400r Wireless Slim Keyboard Built-In Touchpad White QWERTY

Logitech K400R Wireless Keyboard with Touchpad (unifying receiver not included)

logitech wireless keyboard K400r