For 5V passive buzzer, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our 5V passive buzzer has been well received by many customers and enjoyed a good reputation in many countries. HONGCHANG(CHANGZHOU) ELECTRONIC CO.,LTD5V passive buzzer have characteristic design & practical performance & competitive price, for more information on the 5V passive buzzer, please feel free to contact us.