12 Soothing Melodies: Choose from 6 instrumental lullabies and 6 classic sleep sounds, like white noise, a calming heartbeat, and even the parent-proven shhh hush sound thats been effective at lulling baby into a peaceful sleep. Adjust the sound to your comfort level with 10 volume settings, and choose the auto-off sleep timer to save battery life and turn off the sound machine after 30 or 60 minutes.What You Get: Koala portable sleep machine, detachable hanging ring, USB-C charging cable, and s guaranteed 5-Year Manufacturer's Warranty. Our customer support team provides daily quality service and peace of mind to millions worldwide all from a brand you can trust. *Battery life varies from 3.5 hours to 8 hours depending on volume and light usage.Portable Sound Machine: Calm baby anywhere with this cute koala sound soother and night light. The versatile, on-the-go design includes a detachable silicone hanging ring to easily hook the travel-friendly sound machine onto strollers, car seats, bassinets, playpens, and diaper bags, or stand it up on your babys nursery nightstand. The rechargeable battery provides up to 8 hours of cordless use, so you and your baby will enjoy gentle rest.*Safe for All Ages: This kid-friendly koala has a silicone control panel and soft-grip ears that make it safe for your newborn, baby, or toddler. Plus, the child safety lock prevents little hands from changing the sounds and settings.7+ Soft Glow Colors: Keep baby calm in the dark with the accompanying LED night light feature. Designed with our unique Color Choice Technology, you can pick from 7+ soft glow colors or rotate through them all for a multi-color spectrum effect.