Normal buzzer. It will beep when power up. If you want to get a buzzer that can generate tones, you need to get a piezo buzzer.
Integrated 5V Active Buzzer - dia12 * 9.5mm
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Electromagnetic Active Buzzer 5V [4149] : Sunrom Electronics
or beeper is an audio signaling device,[1] which may be mechanical, electromechanical, or piezoelectric (piezo for short). Typical uses of buzzers
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Miniature Low Profile Round PCB Mount Electronic Buzzer / Sounder