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WhisperPhone Duet Acoustical Telephone
WhisperPhone Duet is an acoustical telephone that enhances student-to-student and teacher-to-student reading activities. Duet keeps classrooms quieter by creating an acoustically-clear connection between two readers.
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Vibes Hi-Fidelity Earplugs
Vibes lower the volume of all sounds equally, from bass to treble, which allows you to hear sound clearly, just at a quieter volume.
