Due to various reasons in the current society, it is difficult to sleep for all ages. This product uses sound and light to help relieve stress and soothe emotions. Make people fall asleep as soon as possible. Features: Sleeping Aid: This sleep sounder helps relieve stress and relieve emotions through two functions of sound and light, so people can quickly enter and fall asleep. Perfect for people who suffer from insomnia. Bluetooth function: Supports mobile Bluetooth, plays mobile audio. Connect the Bluetooth, press the MODE button, and switch to Bluetooth audio and use it. You can play the music you want to listen to via a Bluetooth connection. 9 types of sound effects: Built-in high quality speakers, including white noise, rain, soothing music, waves, birds, thunderstorms, campfires, running water, insects in the summer night. A variety of sound effects ensure the best sleeping atmosphere. Four lighting effects: There are projections for exploring the starry sky, projections for life in the sea, breathing light and hunting light. You can set the desired color mode and lighting effect by pressing the buttons. Multifunction and decoration: The unique robot shape not only makes it a night light in the bedroom, but also a decoration to create a special romantic atmosphere. It is the best product for sleep or decoration. Timing Design: There will be 3 timings for you to choose from: 30 minutes, 60 minutes, 90 minutes. If the timer light is off, it will play until you press Stop. Specifications: Type: Sleep Sound Machine Quantity: 1pc Material: ABS Color: black and white Output voltage: 5V 1A Maximum power: 5W Battery capacity: 2000mAh Maximum battery life: 48 hours Power supply: USB and battery Control method: remote control and button Remote control distance: 5M Dimming type: RGB Number of built-in audio data: 9 pieces Item size: 20*13*9CM Package size: 22 * 15 * 10cm Net weight: 550g Package List: 1 * Sleep Sound Machine 2 * Projection cover 1 * USB cable 1 * Controller 1 * Manual