磁石 じしゃく しき電話 でんわ ではありません
jishakushiki denwakidewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 磁石式電話機

1. It is not a magnetic telephone.; It is not a telephone using magnets.

Negative
Polite
Formal Register
Telecommunications