Home›Audio electronics›crystal earpiece🌐EnglishEnglishDeutschไทยEntityQ5191407· pop 5· linked from 4 articlescrystal earpiecepiezoelectric earphone, producing sound by using a piezoelectric crystalWikidata factsImageCrystal Earpiece.jpgvia Wikidata · CC0Available in 4 languagesDeutschDanishไทยvia Wikidata sitelinks · CC0ConnectionspiezoelectricityEntityelectricityEntityCategoriesAudio electronicsHeadphones