White Noise Machine USB Rechargeable

Feature:  Material: ABS + PC + silicone + electronic components Size: 80 * 80 * 33mm Input voltage: DC5V Working voltage: 4.2V Charging current: 1A Power: 1W Battery capacity: 1200Ma Charging mode: USB Charging time: 1.5h Use time: 36h Certification: FCC / CE Product list: 1 * host 1*usb 1 * instruction manual Product selling point: 9 kinds of smooth and natural sound: white noise, waves, birds, waterfalls, crickets, running water and 3 lullabys. Choose the sound according to your preferences and needs to create a quiet environment for you to quickly fall asleep and have a complete rest.