Mini OllieOwl and PipPanda are reassuring naptime companions. Designed for use from birth, they're soft, plush, travel-friendly baby sleep aids with 6 soothing sounds and intelligent CrySensor technology. Made to soothe and comfort your baby, both at home and on-the-go. • Musical baby sleep aid that plays 3 natural sounds (white noise, rainfall, and heartbeat) and 3 classic lullabies with adjustable volume • Intelligent CrySensor technology hears baby’s cries and automatically helps soothe them back to sleep • USB rechargeable and wire-free, a full charge lasts up to 25 hours • Fabric loop attaches to your pram, stroller, bag, or anywhere that's safe • Soft plush fabric exterior that's machine washable