CHARGING FUNCTION：
1. When USB is inserted, the first red light flashes when the power is below 30% , and the other lights are not lit.
2. When the charge is charged between 30% and 60%, the first red light will turn soild and no longer blink, and the second green light will flash.
3. When the battery is charged between 60% and 100%, the red light will turn solid and no longer blink, and the third blue light will flash.
4. When the power reaches 100%, all three lights are on, which proves that the batter is fully charged.
5. Unplug the USB charging cable when fully charged.
WARM TIPS:
1. The noise machine must not use quick charge adaptor to avoid over-voltage.
2. For safety, do not turn on the power when charging.
SPECIFICATIONS：
Charging Time: 2.5-3 H
Operating time: 20 H
charging cycle: 500 Times
Device Working Voltage: 4.2 V
Product size: 3.6in * 3.6in *5.3in
Package size: 6.3in * 4.3in *4.1in
Product Material: ABS+PLA+Electronic component
PACKAGE CONTENTS:
1 × Sleeping Sound Machine
1 × Remote Controller
1 × USB Charging Cable
1 × English User Manual
