white noise sound machine for baby

Features
1. Built-in 20 soothing sounds
2. Support earphone listening
3. Timer function 20 soothes the sound,
4. Night light function at night
5. Ambient atmosphere light function
6. AC adapter or install and remove 18650 battery for power supply;
Product parameter
Working voltage: 3.7V (support 18650 rechargeable lithium battery)
Dynamic current: no light <200 mA, light <450 mA
Quiescent current: 20uA
Product size: Ф150×32.5mm (excluding speaker net)
Speaker: 75 mm diameter 4Ω3 W

Power supply: input AC 100～240V＜50/60Hz output DC 5V, 1A