Features: 1.Relax and Sleep Better with 28 Non-looping Sounds that are professionally tuned to help you unwind and fall into deep sleep. Includes white noise, brown noise, pink noise, fan sounds, thunder, rain, ocean, stream, and other natural sounds, or soothe your baby with heartbeat, shushing, dryer, and lullabies. This is a professional white noise machine that benefits adults, kids, and babies alike! 2.Large-capacity Backup Battery that lasts for over 15 hours,enjoy relaxation anytime and anywhere. Whether it?Zs on the bedside table to accompany your nightly sleep, or in the office to help you nap and recharge, or even on your travels to create favorable conditions for your rest. 3.Deep Sleep, Improve Your Quality of Life- Provides you with consistent and stable white noise that can mask other irregular noises that may affect your sleep, creating a harmonious and orderly sleeping atmosphere. Set a 30, 60, 90-minute timer or let it play all night. 4.White Noise Machine for Office Privacy & Noise Canceling with 32-level adjustable volume that blocks out distractions and creates your own space. Increase your work and study efficiency, save more time, rest better and be full of energy.Please note: As we are international seller, our delivery time will take about 10 working days. Our logistics provider and delivery method is: New Zealand Post.