Amazon.com: Logitech Unifying Receiver, 2.4 GHz Wireless Technology, USB Plug Compatible with all Logitech Unifying Devices like Wireless Mouse and Keyboard, PC / Mac / Laptop - Black : Electronics
Connecting a Logitech device to your Unifying Receiver (Windows and Mac) - YouTube
Logitech - Buy Online with Afterpay & ZipPay - Bing Lee
Logitech K780 MULTI-DEVICE WIRELESS KEYBOARD One keyboard. Fully equipped. For computer, phone, and tablet. - Xtremesystem NZ Ltd