Amazon.com: Logitech Wireless Keyboard and Wireless Mouse Combo with NEW Unifiying Receiver Technology and Long-Range 2.4 GHz Connection, Multimedia Hot Keys, Extended Battery Life : Electronics
Logitech MK520 Wireless Keyboard Mouse Combo with Unifying
Amazon.com: Logitech Wireless Desktop MK710 - Keyboard - wireless - 2.4 GHz - mouse - USB wireless receiver - English - US - WLS DESKTOP MK710 UNIFY RECEIVER : Electronics
What is Unifying? - Logitech
Amazon.com: Logitech Pebble Wireless Mouse with Bluetooth or 2.4 GHz Receiver, Silent, Slim Computer Mouse with Quiet Clicks, for Laptop/Notebook/iPad/PC/Mac/Chromebook - Pink Rose : Everything Else