电话听筒是电话中一部分，作用是用来收听对方讲话。同时自己对着听筒讲话，对方也能听见。电话使用者在打电话或接电话时会把电话听筒放在耳朵边和嘴边。
 | 此条目可参照英语维基百科相应条目来扩充。 (2020年11月30日) |
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