Find a wide array of earbuds for the school that is equipped with an in-line microphone. These are ideal for learning apps on mobile devices and laptops that have a TRRS Connection. A TRRS Connection is a headphone outlet that supports both the earbud and the microphone in one single plug. Perfect for use with iPad, Chromebook, Surface, and other devices with this connection type. Perfect for the library, computer lab, classroom, and for learning centers.