3-in-1: Soothing sounds calming vibrations and cozy comfort. A safe and cuddly place for baby so you can rest your arms. Provides lounging tummy time and sitting support. Ultra-safe 3 layer breathable design. Vibration and sound sync to create a womb-like experience. Top and side handles for easy portability. Bottom buckle opens to adjust length. 15 Minute auto-off timer. Removable machine-washable cover. Rechargeable battery with cordless use. For ages 0-9 Months. Storage case included.