Introduction
Thank you for choosing the Sealy Wireless Sleep Sound Machine & Night Light. This device is designed to create a calming environment for sleep, relaxation, or focused work. It features 14 sound modes, a Bluetooth speaker, adjustable night light, and timer settings, all powered by a rechargeable battery for portability. Please read this manual carefully to ensure proper use and maintenance of your device.
Product Features
- 14 Relaxing Sound Modes: A diverse selection of white noise, nature, and fan sounds for deep sleep, focused work, or calming infants.
- Dual Brightness Levels: Two adjustable light settings for customized ambiance, suitable for nighttime reading, nursing, or creating a cozy sleep environment.
- Rechargeable Battery & Portability: Up to 3 hours of wireless playtime on a single charge. Lightweight and compact for use at home or on-the-go.
- Built-In Bluetooth Speaker: High-quality audio streaming from your smartphone for music, podcasts, and meditation.
- Timer for Energy Savings: Auto-off feature with 15 or 30-minute timer options.
Package Contents
Please check the package for the following items:
- Sealy Wireless Sleep Sound Machine & Night Light
- USB Type-C Charging Cable
- User Manual
Setup
Initial Charge
Before first use, fully charge the device. Connect the provided USB Type-C cable to the charging port on the device and to a compatible USB power adapter (not included). The charging indicator will illuminate. A full charge provides up to 3 hours of wireless playtime.

Image: The Sealy Sleep Sound Machine connected to a USB-C charging cable. The image highlights the charging port and indicates that a 20-minute charge provides 3 hours of use. The device also features an auto-off timer.
Operating Instructions
Power On/Off
Press and hold the ON/OFF button located on the top of the device to power it on or off.
Sound Modes
The device offers 14 distinct sound modes, categorized into White Noise, Nature Sounds, and Fan Sounds. Use the dedicated buttons on the top panel to cycle through these categories and select your preferred sound.
- White Noise: 5 variations
- Nature Sounds: 6 variations
- Fan Sounds: 3 variations

Image: The Sealy Sleep Sound Machine positioned near a sleeping baby, illustrating its use for creating a calming environment. The image highlights the sound categories: 5 White Noise, 6 Nature Sounds, and 3 Fan Sounds.

Image: The Sealy Sleep Sound Machine on a desk, demonstrating its utility for enhancing focus during work or creative tasks. The image emphasizes the availability of 14 sound modes for optimal concentration.
Volume Adjustment
Use the Volume + and Volume - buttons to adjust the sound level to your preference.
Bluetooth Pairing
To use the device as a Bluetooth speaker:
- Ensure the device is powered on.
- Press the Bluetooth button. The device will enter pairing mode, indicated by a flashing light or audio cue.
- On your smartphone or other Bluetooth-enabled device, search for "Sealy Sound Machine" in the Bluetooth settings.
- Select the device to pair. Once paired, you can stream audio wirelessly.

Image: The Sealy Sleep Sound Machine shown in a living room setting, demonstrating its Bluetooth pairing capability with a smartphone. The image highlights the ease of connecting for high-quality audio streaming.
Night Light Function
Press the Lighting button to turn the night light on or off. The device features two brightness levels. Press the button repeatedly to cycle between the low brightness, high brightness, and off settings.

Image: The Sealy Sleep Sound Machine on a nightstand, illustrating its dual brightness levels. A visual slider indicates the adjustment from medium to high brightness, allowing users to customize the ambiance.
Timer Settings
The device includes an auto-off timer to conserve energy. Press the Timer button to select a 15-minute or 30-minute auto-off duration. The device will automatically power off after the selected time.
Video: This video demonstrates the features of the Sealy Wireless Sleep Sound Machine, including its various sound modes, night light, Bluetooth connectivity, and timer settings. It highlights the device's ease of use and portability.
Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Storage: Store the device in a cool, dry place when not in use.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in constant use.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Device does not power on. | Ensure the battery is charged. Connect the device to a power source using the USB Type-C cable. |
| No sound from the speaker. | Check the volume level. Ensure the correct sound mode is selected. If using Bluetooth, ensure it is properly paired and the volume on the connected device is up. |
| Bluetooth pairing fails. | Ensure the device is in pairing mode. Turn off and on Bluetooth on your smartphone. Move closer to the device. Disconnect from other Bluetooth devices. |
| Night light is not working. | Press the Lighting button to cycle through brightness levels. Ensure the device is powered on. |
Specifications
- Model Number: SL-HW-SN-121-WT
- Brand: Sealy
- Dimensions: 6 x 6 x 3 inches
- Weight: 16 ounces
- Sound Modes: 14 (White Noise, Nature, Fan)
- Brightness Levels: 2
- Timer Settings: 15 minutes, 30 minutes
- Battery Life: Up to 3 hours (wireless playtime)
- Connectivity: Bluetooth
- Charging Port: USB Type-C
- UPC: 805112124923
- Manufacturer: Bytech NY
Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product packaging or visit the official Sealy website. Keep your purchase receipt for warranty claims.
Legal Disclaimer: Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.