$15 per unit is steep?
https://jokenu.com/product/echo-flex-plug-in-mini-smart-speaker-with-alexa/?gclid=Cj0KCQjwwNWKBhDAARIsAJ8HkheIjGh_meJivUUNsHwSajq1BAirydVuKFt5H_j21hntEEf-BNsfkOUaAkJdEALw_wcB
EDIT- Fixed the link.