5 AUTO-OFF TIMER & VOLUME ADJUSTABLE - Customize your relaxation experience with the simple timer button. Choose from continuous play, 1H, 2H, 3H or 4H to suit your relaxation or sleep schedule. And also do not worry the volume being too low or loud, the white noise sound machine has 0-22 volume levels to meet your needs.MEMORY FUNCTION & 8 COLORED NIGHT LIGHT - Adjustable warm night light creates a comfortable atmosphere as a sleep aid for baby kids and adults. The colored light also can use as decorative light, mood lamp, night lights in your room, create the romantic, relaxation, or cozy ambiance you need. In addition, the memory function will automatically remember the sound you previous setting, no need to reset for next use.27 SOOTHING SOUNDS HELPS FOR DEEPER SLEEP - Immerse yourself in a world of calming sounds with 27 non-looping options, including 7 white noises(pink noise, brown noise and green noise), 7 wind sounds(fan, gale and sea breeze ), 13 nature sounds( rain, birds, firewood and fetal). Despite its samll size, this white noise machine packs a vast array of soundscapes to create cozy and peaceful sleep environment to help those people who have trouble sleeping calm down and stay asleep.EASY TO USE - Simple buttons and intuitive interface, even new users can operate it immediately. This white noise machine is ideal for users of all ages from babies and kids to adults and seniors. It's designed to create the perfect sleep or focus environment, making it a versatile addition to any routine. Elegant look makes it fit into any room dcor, also a prefect gift for your family and friends.USB RECHARGEABLE, PORTABLE ON THE GO - Small size and lightweight makes it a perfect travel noise machine, fits easily into a carry-on bag or luggage. With a lanyard for easy hang it on the stroller or car seat or suitcase. Stay powered up with the included USB charging cable and enjoy wireless use, allowing you to bring the soothing power of white noise wherever you go. USB charging only need 1 hour.