Features[White Light Machine] With built-in 12 kinds of soothing and relaxing sounds, like rain, waves, fan, stream, and more, each can help babies, students, and adults feel calm and relaxed, relieve anxiety and stress, helping to fall asleep faster and stay asleep longer. [Colorful Night Light] Emits soft and warm light, with 7 lighting colors for free option, creating a better environment for sleeping; also convenient for getting up and feeding a baby at night.[Wide Application] Not only a sleeping assistant, the sounds it produces also can help to block and mask outside noise so that you can focus on your work more or protect your privacy, great for yoga and meditation, too. [Automatic Shut-Off & Adjustable Volume] With a timer for turning off automatically in 15, 30, and 60 minutes, not disturbing deep sleep; and the volume can be easily adjusted according to your actual needs.[Built-in Battery and Type-C Charging] 2000mAh large capacity battery, support convenient USB type-c charging, long working time up to 5-10 hours; with earphone port, avoid disturbing the others when in use.SpecificationsColor: WhiteMaterial: ABS, PP, and electronic componentInput Voltage: DC 5VPower: 1.8WInput Current: 0.5-1.0ABattery Capacity: Li-ion 18650, 2000mAhContinuouse Working Time: 5-10H Charging Time: 3H12 White Noise Sounds: Heartbeat, clock, lullaby, train, cricket, rain, waves, fan, white noise 1, white noise 2, white noise 3, and streamProduct Size: 9 * 9 * 6cm/ 3.5 * 3.5 * 2.3inchProduct Weight: 165g/ 5.8ozPackage List1 * White Noise Machine