Ritmo is a pregnancy audio belt. It is the most comfortable and safest way to play music and recorded voices to your baby in the womb. Ritmo provides prenatal acoustic technology, versatility and function. The Ritmo 4 speaker configuration is proven to be the safest for sound to the womb and is the only product on the market that can boast this technically superior 4 speaker design. Ritmo is compatible with any 3.5 mm MP3 player headphone socket and plays directly from a smartphone or MP3. Our prenatal sound system promotes prenatal brain development along with mother/family/baby bonding through music and pre-recorded voices/sounds. The Ritmo is comfortable, attractive and is easy to clean. Our belt is the highest quality both in design and material. The Ritmo pregnancy audio belt comes with a belt extender to expand readily with a growing belly. Ritmo is the premier prenatal audio sound system on the market today. Ritmo provides a simple but sophisticated way to safely deliver sounds, music and the spoken word directly to your baby in the womb. From Rihanna to Mozart, no matter what your choice in music is, Ritmo also allows you and your baby to listen and bond through your favorite tunes. Developed by prenatal digital acoustic technology experts, Ritmo is not just an MP3 for you and your baby, but rather a crucial pregnancy product that was designed and tested for the utmost safety for your baby and the highest-quality sound experience for the both of you.