Logitech Unifying Receiver for Connecting Multiple Devices
Logitech MK250 Wireless Desktop | at Mighty Ape NZ
Logitech MK520 Wireless Keyboard Mouse Combo with Unifying
New Usb Receiver Wireless Dongle Receiver Usb Adapter For Logitech Mk270/mk260/mk220/mk345/mk240/m275/m210/m212/m150 Mouse - Pc Hardware Cables & Adapters - AliExpress
New Usb Receiver Wireless Dongle Receiver Usb Adapter For Logitech Mk270/mk260/mk220/mk345/mk240/m275/m210/m212/m150 Keyboard - Keyboard Mouse Combos - AliExpress