308 3g buzzer products are offered for sale by suppliers on Alibaba.com, of which alarms, buzzers, and sirens accounts for 4%, acoustic components old accounts for 2%.
A wide variety of 3g buzzer options are available to you, such as plastic, aluminum.You can also choose from dc, peak-peak signal 3g buzzer,as well as from not applicable 3g buzzer and whether 3g buzzer is white, black, or red.