1. Desktop portable: White noise relieves fatigue, saves sleep, and makes people sleep easily and quickly 2. 12 music songs: 8 color lights/colorful gradient white noise atmosphere lights, convenient for night use. 3. 2000mAh capacity battery: 2000mAh built-in 18650 battery can be used for 5-10 hours. 4. Touch the key, easy to operate: Type-c charging interface, which supports laptop, charging power bank and power adapter charging. 5. Desktop White Noise Machine with Night Light Baby Adult Sleep Soother Portable Touch Soothing Sounds Adjustable USB Rechargeable for Home Travel Product name: Colorful lamp white noise machine Input voltage: DC5V Power: 1.8W Input current: 0.5-1.0A Battery: Li-ion18650-2000mAh Service time: 5-10 hours Charging time: 3 hours There are 12 pieces of music to help you sleep: white noise 3, fan, waves, clock, cricket, lullaby, rain, train, running water and heartbeat. Lights: bright white light-warm light-red-green-blue-pink-yellow-cyan-colorful change-turn off the lights. Color temperature of white lamp bead: 2835 Normal white 6000-6500K Warm color lamp bead color temperature: 2835 warm white 3000-3200K 5050RGB band: red 620-625nm green 520-525nm blue 467-470nm Colour:White Material:ABS Size: 63x90mm/2.48x3.54inch Package Contents: 1 x Music white noise sleep device Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.