3825 usb wireless buzzer products are offered for sale by suppliers on Alibaba.com, of which calling system pagers accounts for 1%.
A wide variety of usb wireless buzzer options are available to you, such as plastic, abs and aluminum.You can also choose from piezo, usb wireless buzzer,As well as from dc, ac usb wireless buzzer, and whether usb wireless buzzer is white, green, or black.