Introduction
Thank you for choosing the Sleepbox White Noise Sound Machine. This device is designed to create a peaceful environment by masking disruptive noises, helping you to relax, focus, and sleep better. This manual provides essential information for the proper setup, operation, and maintenance of your sound machine.
Product Features
- 25 Soothing Sounds: Includes white noise, pink noise, blue noise, brown noise, soft fan, big fan, river, rain, campfire, wave, piano, and meditation sounds.
- 36 Adjustable Volume Levels: Allows precise control over sound output to suit individual preferences and environmental needs.
- 5 Timer Options: Set the device to play for 1 hour, 2 hours, 3 hours, 4 hours, or continuously.
- Memory Function: Remembers the last selected sound, volume level, and timer setting upon restart.
- Portable Design: Compact size (3.07 x 3.07 x 1.57 inches) for easy transport and use in various locations.
- Indicator Light Control: Long press the 'Timer' button to turn off the light indicators for undisturbed sleep.





Package Contents
Verify that all items are present in the package:
- Sleepbox White Noise Sound Machine (Model SWN-02)
- Power Adapter (100-240V~50/60Hz)
- USB Power Cable
- User Manual

Setup
Initial Setup
Follow these steps to prepare your Sleepbox Sound Machine for use:
- Unpack the sound machine, power adapter, and USB cable from the box.
- Connect the USB power cable to the sound machine's power input port.
- Plug the USB power cable into the provided power adapter.
- Insert the power adapter into a standard electrical outlet. The device will power on automatically or can be turned on using the power button.
Operating Instructions
Power On/Off
- To turn on the device, press the Power button (
). - To turn off the device, press and hold the Power button for two seconds.
Selecting Sounds
- Press the Sound Selection buttons (
) to cycle through the 25 available sounds. The selected sound will be indicated by a light on the top panel.
Adjusting Volume
- Use the Volume + and Volume - buttons to adjust the sound level. There are 36 adjustable volume levels.
Setting the Timer
- Press the Timer button (
) to select a playback duration: 1 hour, 2 hours, 3 hours, 4 hours, or continuous play (indicated by the infinity symbol). - To turn off the indicator lights, press and hold the Timer button. This allows for an undisturbed sleep environment.
Memory Function
The device features a memory function that automatically saves your last selected sound, volume level, and timer setting. When you power on the device again, it will resume with these previous settings, eliminating the need for re-configuration.

Technical Specifications
| Specification | Detail |
|---|---|
| Product Dimensions | 3.07 x 3.07 x 1.57 inches |
| Weight | 8.78 ounces |
| Material | Plastic |
| Power Source | Corded Electric |
| Manufacturer | Sleepbox |
| Certifications | FCC, CE, RoHS |
Safety Information
To ensure safe operation and prevent damage to the device or injury, please observe the following safety guidelines:
- Use only the provided power adapter and USB cable.
- Do not expose the device to water or excessive moisture.
- Keep the device away from heat sources and direct sunlight.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
- Ensure proper ventilation around the device during operation.
- This device does not contain a built-in battery and must be plugged in to operate.
Troubleshooting
If you encounter any issues with your Sleepbox Sound Machine, refer to the following common problems and solutions:
- Device does not turn on: Ensure the power adapter is securely plugged into both the device and a working electrical outlet. This device requires continuous power and does not have a built-in battery.
- No sound or low volume: Check the volume level using the Volume + button. Ensure the device is not muted.
- Indicator lights are off: If the lights are off, you may have long-pressed the Timer button. Press and hold the Timer button again to reactivate the lights.
- Sound quality is poor: Ensure the device is placed on a stable, flat surface and not obstructed. Try adjusting the volume or selecting a different sound.
If the problem persists, please contact customer support.
Warranty and Customer Support
The Sleepbox White Noise Sound Machine comes with a 12-month warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product meets quality standards.
For any questions, technical support, or warranty claims, please contact Sleepbox Official customer service. Refer to the product packaging or the Sleepbox official website for the most current contact information.
