Helping children learn is one of the best gifts you can provide. The small WhisperPhone is designed for K-grade 4. Kids love to use them. This product is CPSIA compliant. WhisperPhone is designed to convey sound effectively, be comfortable, and look nice. It is hands-free, reversible and comes in an adult and child size. WhisperPhone enables learners to focus and hear the sounds that make up language (phonemes) more clearly.