Check the listing for details. Automatic Baby Rocker Attachment for Stroller & Pram – USB Rechargeable Soother. Color: Black, Condition: New. Listed at 35.00 USD. This portable baby stroller rocker is designed to gently rock your baby’s stroller, pram, or car seat to help soothe and comfort your baby. It’s perfect for hands-free use when you need a break or want your baby to fall asleep faster. Features: • Automatic rocking motion to help calm and soothe babies • Hands-free design so you don’t have to push the stroller constantly • Adjustable speed settings to choose the rocking level that works best for your baby • USB rechargeable battery for convenient charging at home or on the go • Portable and lightweight, easy to attach and remove • Universal fit – works with most strollers, prams, and car seats • Quiet operation so it won’t disturb your baby’s sleep