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A simple black-line doodle on white, showing a speaker connected to a microphone with a wavy cable between two horizontal lines.

A simple black-line doodle on white, showing a speaker connected to a microphone with a wavy cable between two horizontal lines.
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A very simple black-line hand-drawn sketch on a white background. Two wide horizontal lines represent an upper floor and a lower floor. Between the two floors, a small speaker shape is drawn: a rough rectangular box with a short cable coming downward. A long, slightly wavy vertical cable extends from the speaker down to the lower floor. At the bottom end of the cable, a small microphone shape is drawn: a circle connected to a short rectangular body. All lines are intentionally uneven and freehand, resembling a rough doodle made with a marker. No shading, no colors, only thin black lines on white. See more

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