Sound Machine White Noise Rain Wind Soothing Sounds Therapy Relax Sleep Music Product Feature 9 Non-Looping Soothing Sounds: You can get 9 White Noise,like Birds, Ocean Waves, Stream, Thunder and Rian Soothing Sounds. Our sleep sound machine creates the most realistic and natural environment for good sleep, relaxation or meditation and promotes faster and more natural sleep. Auto-off Timer and Memory Function: You can choose auto timer mode on 15, 30 ,60 minutes and non-stop (all the timer indicator lights are off). The relax sound machine automatically adjusts to the last selected volume, sound type and timer when you turn it on. Lightweight and Compact: White Noise Machine Easily to work with, in your bag or suitcase. No matter what you do, for office work, business trip or holiday travel, you will be more productive and energetic, enjoy both day and night. Also supporting 3.5mm earphone for private play without disturb others while travel. Gifts for Babies and Kids: White Noise Machine Offering soothing sounds rather than disruptive environmental noises, it helps them to fall asleep faster and stay asleep longer. Product Specification Type: White Noise Machine White Noise Machine Output Power: 5W White Noise Machine Adapter: 5V/ 1A White Noise Machine Speaker Spec: 66mm 2 ohm 5W White Noise Machine Frequency Response: 30HZ - 20KHZ White Noise Machine THD: ?0.45% White Noise Machine SNR: ?96dB White Noise Machine AUX OUT: For Headphone use White Noise Machine Charging Port: DC 5V (support plug in and support battery) Package Included: 1 X White Noise Machine 1 X Cable 1 X Manual Instruction Before you place an order, please provide me with English information to facilitate our delivery and logisticsProducts from Chunchuan's store