- Long-lasting use: With a sturdy build and safe materials, this portable device offers excellent durability. It delivers comfortable, reliable operation during long-term, intensive use. - Fast charging: USB port supports fast charging, reducing downtime thanks to its flexible and intuitive reversible plug. - Ideal for travel: Compact and portable design makes it easy to carry and store. It supports relaxation and sleep needs wherever you go. - White noise solution: Delivers a calming natural sound to align sleep cycles and reduce ambient noise. Includes 30 sound environments and creates a quiet sleep space for babies. - Use scenario 1: Take it on overnight trips to block hotel room noise and improve sleep quality for adults. - Use scenario 2: Use at home in bed or during a work break to aid relaxation and focus with soothing sounds. - Use scenario 3: Place in a baby's nursery to establish a soothing, consistent sleep environment.