Assertion: echo's button | /r/HasProperty | volume
Facets:
Source sentences:
text: The four buttons (volume up, volume down, action, and mic off), sit right in a row outside of the status ring.
text: Aside from its larger size and slight convex bulge, the top of the device is nearly identical to that of the 2nd generation Dot: it has four buttons (volume up, volume down, microphone off, and an "action" button) and a multi-colored light ring around the top edge that tells you about the Echo's status.
text: It still has the same blue ring, and it has four buttons on top: volume up, volume down, action button, and mic off button.