🛌 Sleep Soundly, Travel Freely! USB rechargeable for hassle-free, long-lasting use. Transform any environment into a serene sleep sanctuary. One-handed operation with a child safety lock for peace of mind. Choose from three calming sounds to suit your baby's needs. Perfectly sized for on-the-go families, fits in any bag. Compact & portable 6+ hours battery life 3 soothing sounds The Marpac Hushh White Noise Sound Machine is a compact, USB-rechargeable device designed to create a soothing sleep environment for babies. With three calming sound options and a gentle night light, it effectively masks disruptive noises, ensuring undisturbed sleep. Weighing just 3.8 ounces, it's perfect for travel and features a child safety lock for added security.