Logitech K270 Wireless Keyboard with Unifying Receiver
New Usb Receiver Wireless Dongle Receiver Usb Adapter For Logitech Mk270/ mk260/mk220/mk345/mk240/m275/m210/m212/m150 Keyboard - Keyboard Mouse Combos - AliExpress
Logitech Unifying Receiver for Connecting Multiple Devices
New Usb Receiver Wireless Dongle Receiver Usb Adapter For Logitech Mk270/ mk260/mk220/mk345/mk240/m275/m210/m212/m150 Keyboard - Keyboard Mouse Combos - AliExpress