Introducing the Shusher Sleep Duo - a calming combo that brings together the best of Baby Shusher and Shusher Firefly to help your little one fall asleep faster and stay asleep longer. Designed to mimic the comforting sounds of the womb and the gentle glow of twilight, this bundle is your bedtime game-changer. Baby Shusher – The original sound machine that uses a real human voice to soothe your fussy baby.• Rhythmic ""Shhh"" sound mimics womb-like comfort• 15- or 30-minute timers• Portable and wireless with wrist strap• Includes 2 Aa Duracell Batteries - ready to use out of the boxShusher Firefly – A calming nightlight that glows as it shushes.• Dimmable sunset glow helps ease baby into sleep• 30, 60, 90-minute or continuous play settings• Usb-c rechargeable for on-the-go convenienceTogether, they're the ultimate sleep solution for baby - and peace of mind for you.