DONOW Portable White Noise Sound Machine with 18 Sleep Sounds, Battery Powered Bluetooth Function Knob Volume Control Sleep Timer, Travel White Noise Machine for Sleeping Adults Baby

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• 1）【One-click sound switching】24 sleep sounds, 6 vivid icon buttons, making it easy for you one-click to switch all sounds quickly, no need to switch back and forth between 20 or 30 sounds. Even the elderly and children can easily operate it without reading the user manual. (white noise, pink noise, brown noise, lullaby, piano, bird, frog, summer night, fan, campfire, stream, seagull and ocean, wave, rain, thunderstorm)
• 2）【Knob Volume Control Design】Our white noise sound machine comes with a knob, which is more precise to control the volume than buttons. Even in the dark night, no need to fumble with the volume up button or volume down button, effortlessly control any volume you want through the knob, ensuring a peaceful environment for sleeping and relaxation.
• 3）【Bluetooth Function】Connect to Bluetooth to play your favorite relaxing music anytime, anywhere. When you and your baby are not in the same room, you can remotely control play or pause and the volume of the sound machine via your phone to provide a good sleeping environment, making it easier for both baby and parents to fall asleep.
• 4）【Portable & Rechargeable】our white noise machine is compact and lightweight (3.94" x 3.7" x 1.97", 4.2 ounces), you can put it in your pocket, handbag, or suitcase easily. The noise machine is battery-powered with a Type-C port, so you can go out after full charge and no longer need to carry a power adopter. Its portability makes it suitable for any environment, whether at home, on a business trip, or enjoying a vacation.
• 5）【Auto-Off Timer & Memory Function】This sleep machine can be set to auto-off after 15/30/60 minutes. You can set the playback time to save power and keep regular sleep. Our noise machine can remember the last sound and volume setting upon restart, eliminating the need for daily adjustments.