Main features:
- It features 16pcs soothing sounds to help your baby relax and fall asleep favorably.
- Built-in voice sensor, the machine will be activated to play the soothing sound when baby's crying sound is up to 75dB.
- With the hanging rope design, you can hang it on the crib, stroller, and other places that you need. Besides, it is portable and compact, easy to store and carry. 
- Built-in rechargeable 1800mAh Li-ion battery, it can work up to 8 hours continuously after being fully charged.

Specifications:
- Battery type: built-in 3.7V 1800mAh Li-ion battery
- Input: DC 5V 1A
- USB cable: about 120cm

Type: Other Accessories
Material: ABS
Feature: Low Noise
Product weight: 0.1130 kg
Package weight: 0.1250 kg
Product size (L x W x H): 13.30 x 7.50 x 3.60 cm / 5.24 x 2.95 x 1.42 inches
Package size (L x W x H): 14.00 x 8.00 x 4.00 cm / 5.51 x 3.15 x 1.57 inches
Package Contents: 1 x Baby White Noise Machine, 1 x USB cable, 1 x English User Manual