The Hatch Rest Go is a portable sound machine designed for parents to help their babies sleep on the go. It features 10 soothing sleep sounds, drop-proof and drool-friendly construction, a rechargeable battery, and is made with recycled materials. Customers rave about its effectiveness in keeping their babies asleep and its convenience for use in various settings. Portable sound machine for babies on the go 10 soothing sleep sounds, including white noise and heartbeat Durable and drop-proof construction Rechargeable battery with up to 15 hours of playtime Made with recycled materials, eco-friendly design.