It is suitable for infants from 4 months and above;
Transmit the music directly to the baby's inner ear by our unique bone-transmitting technology; &
The product complies with ASTM F963 specifications and CCC certification in China.
In a quiet environment, surrounding people almost not possibly listen to our music and there is very little noise to the surrounding in return;
The built-in battery can be used continuously for 250 times;
All the electronic components are enclosed, which is not possibly be reached by the end users;
The silicone raw materials are all FDA-approved;
It can relieve the discomfort caused by the baby's teething stage;
Help the baby learning to use the teeth to chew food; &
Easy for the baby to hold it.