White Noise Machine with 14 Soothing Sounds for New Mother and Famliy High Features: 1. 14 Non-Looping Soothing Sounds:white noise ,fan noise ,birds ,water stream,train,piano,lullabies. 2. Adjustable Night Lights Brightness 3. 5 Timers setting: 15, 30, 60, 90, 120 minutes auto-off timer 4. Memory Advantage:automatically restores your previous volume, sound and time 5. Lightweight Design: portable for home, office or travel Specifications: 1.Adapter Input: 100~240V 50/60HZ 2. Device Working Voltage: DC 5V Color: White Package size : 4.7 x 4.7x 3.8 inch Weight: 0.76lb What's in the box ? Sleep Sound Machine x 1 DC Power adapter x 1 User manual x 1 -----------------FAQ----------------- Q1. How to make it work ? The sleep sound machine need plug in the power adapter (in the package),play music please click the power button to start and it can work well. If you need to turn on the night light, you can click on the metal speaker net. Q2: How do you adjust the volume? To adjust the volume of our sound machine, just press and hold the “Volume +” and “Volume -” buttons. Q3: How do I adjust the light? To activate the light, you need to tap the metal part on the top of the sound machine. To adjust the light, you need to press the "+" or "-" buttons to adjust it.