Introductions: The white noise sound machine's signal has the same power in each frequency band. It is actually a voice suggestion that nature gives us. This kind of sound can play a certain role in the sleep of people of all ages. It is a kind of "harmonious" sleep aid sound. Specifications: 1. Material: upper and lower shell: ABS + shading particles, light ring: ABS + phosphor. (environmental materials) 2. Product size: Ф150×32.5 mm (excluding speakers) 3. Working Voltage: 3.7V (supports 18650 rechargeable lithium battery) 4. Dynamic current: no light <200 mA lit <450 mA 5. Quiescent current: 20uA 6. Speaker: diameter 75 mm4 Ω 3W 7. Power supply: input AC 100~240V <50 / 60Hz, output DC 5V, 1A 8. Lamp beads: 50 * 50 RGB full color, 10 pieces 9. Luminous color temperature: 2700K 10. Product color: black / border 11. Packing size: Individual packaging: 17 * 18 * 6.5cm N.W / G.W 0.24KG / 0.4KG white paper / color printing Package Includes: 1 x White Noise Sound Machine

20 NON-LOOPING SOOTHING SOUNDS : Built-in high-end quality speaker,equipped with 20 smoothing,crystal clear sounds,including white,pink & brown noise and relaxing natural sounds(ocean,rain,bonfire,summer night,bird,frog,wall fan,fan sound,brook,clock,aircraft cabin,train,Fetal Tone and Lullaby for soothing your baby).Choose the sound according to your preference and demand,creating a peaceful environment to fall asleep faster and wake up completely rested Soft Projector : The colorful night light is a perfect gift for your kid's bedroom,you can make it as a night light projector or have a romantic projection showing the moon and stars,it creates a relaxed atmosphere which let your child enter a sweet dream,and is a great soft night light for kids who are scared of the dark especially at bedtime. thereby making them fell relaxed. A sleeping baby means more sleep for the whole family Auto-off Timer & Memory Function : Make every night's sleep as peaceful as possible!Our white noise machine can be played continuously non-stop all night or there is an auto-off timer to set for 30,60 or 90 minutes to conserve energy.you can press the ‘VOL+' or 'VOL-' button to adjust sound volume to your desired level for a personalized sound environment.and it can remember your last settings of the light,sound,and volume level when you next turn it on Portable and Powered by An AC/USB or 18650 Battery : Portable design and lightweight,only 5.7*5.7*2.0 inch,takes up little space on your bedside table,and easily packed it into your bag or suitcase,making it perfect for home,office,car and travel use. Supporting powered by power adapter,USB cable and 18650 Battery (Battery Not Included) for different charging demands Multiple Light Modes Setting : Constructed with the removable dome,you can get plenty of lighting effects through the white cover and star light cover,you use them separately or in combination,the light is super soft for eyes protection and peaceful dream. And you can adjust different 3 level of brightness,set up different 10 modes of RGB color light