Never Used. NIB Belly Bluetooth Speaker Wireless Bluetooth Speaker creates a soothing and magical bonding experience for both you and your growing baby! Plus, our one-of-kind speaker allows you to adjust the sound volume to a safe and comfortable level. New Womb Music Belly Speaker is the only wireless Bluetooth Belly Speaker that is safe and fully certified by Bluetooth and the FCC. All CERTIFICATIONS are posted in the FAQ Help Center. You can stream your favorite audio files using Bluetooth sync’d from your device, or you can play music stored directly on your Womb Music Belly Speaker. Best Gift Idea to Bond with Your Baby Before Birth A Safe and Effective Way for Prenatal Bonding!