Eavesdrop

You create an invisible sensor at a location within range that you can see. For the duration, you can listen through the sensor as if you were at the chosen point (unable to hear anything around you). The sensor remains in place for the duration, and it can't be attacked or otherwise interacted with.

As your action, you can switch between your normal hearing and hearing through the sensor.

A creature that can see the sensor (such as a creature benefiting from see invisibility or truesight) sees a luminous, intangible ear.