①. Product Description: Color: white. Power: 1W. Input voltage: DC 5V=0.5-1.0A. Battery: Li-ion18650-2000 mAh. Battery cycle: 500 times. Operating time: 20 hours. Charging time: 2.5-3 hours. Product weight: 230g. Dimensions: 91*91*135mm. ②. Package Contents: Sleep aid, data cable, manual, remote control. ③. Product details: 6 sleep sounds: white noise, fans, stream, ocean waves, bird, campfire, train, piano, lullabies, meditation, etc. This gift is suitable for babies, children and adults. ④. Adjustable night lights: with long and short touch lighting mode button: bright white light, warm light, red, green, blue, yellow, pink, seven color changing, fixed color, turn off the light, continue to circulate, long touch is to adjust the light brightness. This voice with lullaby and night light provides a steady rhythm and soft glow to help create a sleep atmosphere. The night light helps take care of the nursery at night. ⑤. 4 timers: you can set it to play continuously or automatically turn on and off with a 15, 30, 60 minute timer. ⑥. COMPACT DESIGN AND STORAGE FUNCTION: Can be easily put in a handbag or suitcase, suitable for home, office or travel. The memory function automatically restores the previous volume, tone and time.