Product applicable object: 1. Stressed office workers, tired during the day and unable to sleep at night 2. The baby sleeps, comforts the mother late at night, leaves the mother's womb for the newborn baby, adapts to the environment, and returns the mother to sleep late at night 3. Night owls who stay up late for a long time and want to go to bed early but can't change 4. Retired or unwell old people can relieve their emotions and relax their bodies and minds Warm reminder: Insomnia is a very painful thing. Short-term insomnia will make people feel depressed, and long-term insomnia will cause physical and mental damage. Using this product before going to bed can create a comfortable and relaxed sleeping environment, allowing you to fall asleep faster and effectively improve sleep quality. Product parameters: Battery capacity: 1000MA Voltage: 5V 1A Rated power: 5W Charging time: 1.5H Battery life: 6-8H (inclusive) Pat night light (support warm and cold light) 3.5 headphone jack Packing list: Color paper box x1 Sleep instrument host x1 Type-C charging cable x1 manual x1Earphone jack: When the music being played may disturb others, the user can plug in earphones. It can be charged using either battery or USB-C. If you have any questions, please don't hesitate to contact us, we will serve you wholeheartedly. Unique Design: Exquisite and portable, Also comes with a lanyard design, compact shape enables to carry around easily. Allows you to have a familiar sleeping environment like at home when you are outside. 3 Timers and Memory Function: The auto-off timer can be set for 15, 30, 60 minutes or continuous play as required. When you restart, our memory function will automatically remember your previous volume, sound and timer, no need to repeat adjustments. Soft light: With soft light of lights, there is no need to get up in the dark at night, and it is easy to illuminate when the baby needs to breastfeed or change diapers. The light is soft and comfortable. The night light can be turned on and off by lightly pressing the night light switch with your finger. Music playback function: There are 16 kinds of built-in sleep soothing music, including white noise, dividend noise, emotional soothing music, soothing music, ocean waves, birdsong, running water, rain, summer night insects, lullabies, etc. Covers the sound preferences of most people.