Logitech Unifying Receiver for Connecting Multiple Devices
Logitech MK220 Compact Wireless Keyboard and Mouse Combo for Windows, 2.4 GHz Wireless with Unifying USB-Receiver, 24 Month Battery, Compatible with PC, Laptop, QWERTY UK English Layout - Black : Amazon.co.uk: Computers & Accessories
New Usb Receiver Wireless Dongle Receiver USB Adapter for logitech mk220/mk270 - buy New Usb Receiver Wireless Dongle Receiver USB Adapter for logitech mk220/mk270: prices, reviews | Zoodmall
ForHe USB Receiver Wireless Dongle Receiver USB Adapter for Logi-tech Mk270/mk260/mk220/mk345/mk240/m275/m210/m212/m150 Mouse Keyboard, 2 Types Optional : Amazon.ca: Electronics