OPTIONAL AUTO OFF TIMER & ADJUSTABLE VOLUME- It is easy to use and you can customize the sound, volume (from very low to adequately high), non-stop playing or using timer on it and it auto save all your preferred settings.AESTHETICALLY PLEASING DESIGN- The wood grain finish looks classy in any nursery or bedroom and looks more aesthetically pleasing than most of the basic white designs out there. Who says a sound machine can not be beautiful too?COMPACT SIZE-TRAVEL FRIENDLY- Your worries about not sleeping while traveling are gone. It is compact and easily fits in your bag or suitcase. It can be powered by AC or any common USB port. You can take it wherever you go.MORE SOUNDS CHOICE THAN OTHERS - Features total 31 soothing sounds - 7 white noises, 7 fan sounds and 17 nature sounds( Gentle Waves, Ocean Waves, Fetal Tone, Lullaby, Bird, Brook, Wind, Campfire, Shushing, Drops, Pendulum, Heart Beat, Music BOX, Rain, Summer Night, Thunderstorm and Train). All the sounds are non-looping and crystal.SUPERIOR SOUND QUALITY- Delivers high-fidelity, room-filling sound and robust bass through an advanced 5W stereo speaker- Creating a personalized sleeping environment for your little one or you by masking disruptive noises. (street noise, tinnitus, snoring, barking dogs, noisy hotel room, and loud neighbors)