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Now young people bring mp3 players always.That means they should bring earphones.So, we could combine notebooks with earphones, that you could memories anything at once and wont be afraid of forgetting to bring notebooks anymore.
You could record what you want to remember during class or meeting and replay them later, just like play mp3 players.It\'s not only an earphone but also a digital memo.
National Kaohsiung NormalUniversity