Features: Power on: Plug the device into a power source or use batteries. Select sound: Press the 'Sound' button to cycle through the 18 options. Adjust volume: Use the 'Volume +/-' buttons to choose from 30 levels. Set timer: Press the 'Timer' button to cycle through time options from 15 to 120 minutes.
Features: To use the noise machine, follow these steps: 1. Plug in the device using the provided power cord. 2. To set the clock format, switch between 12-hour and 24-hour modes. 3. Set up to 1 alarm with a choice of 7 alarm tones and adjustable volume levels (32 levels). 4. Select from 21 soothing sounds, including 5 white noises, 3 fan sounds, 2 lullabies, and 11 natural sounds, and adjust the volume across 32 levels. 5. Choose from 8 different night light colors to create a soothing ambiance. 6. Set a sleep timer for automatic shutdown, ranging from 5 to 180 minutes.