Look for the orange Unifying logo. Featured Link: How to Sync a Logitech Wireless Mouse With a Different Receiver Do note that a mouse works with one receiver at a time. So, it will no longer work ...

They are the Logitech K780 keyboard and M720 (aka Triathlon) mouse, both of which can connect to three computers (‘devices’) through any mix of Bluetooth or the company’s proprietary ‘Unifying ...