Introduction
The Glocusent White Noise Sound Machine N16 is designed to enhance your sleep and relaxation experience with a wide array of soothing sounds and customizable lighting. This manual will guide you through the features and operation of your new device.
What's in the Box
- 1 x Glocusent White Noise Sound Machine N16
- 1 x Type-C Charging Cable
- 1 x User Manual
Product Overview
Familiarize yourself with the main components and controls of your sound machine.

Figure 1: Top view of the Glocusent N16 Sound Machine, highlighting the intuitive control panel with clearly labeled buttons for power, mode, sound selection, volume, timer, and light settings.
Controls and Ports:
- Power/Mode Button: Turns the device on/off and cycles through main sound categories.
- Sound Selection Buttons (Previous/Next): Navigates through the available sound tracks.
- Volume Buttons (V-/V+): Adjusts the sound volume.
- Timer Button: Sets the auto-off timer.
- Light Mode Button: Cycles through different light colors and modes.
- Brightness Button: Adjusts the brightness of the night light.
- USB-C Port: For power input.
- TF Card Slot: For playing personalized audio files.
Setup
- Connect Power: Insert the Type-C cable into the USB-C port on the device and connect the other end to a compatible USB power adapter (not included) or a USB port.
- Power On: Press and hold the Power/Mode button for a few seconds to turn on the device. The default sound and light settings will activate.
Operating Instructions
Sound Selection
The device offers 44 soothing sounds across various categories:
- 10 White Noise tracks
- 10 Pink Noise tracks
- 11 Brown Noise tracks
- 9 Alpha Brainwave tracks
- 4 Piano Music tracks
- Change Sound Category: Press the Power/Mode button briefly to cycle through the main sound categories (White Noise, Pink Noise, Brown Noise, Alpha Brainwaves, Piano Music).
- Select Specific Sound: Use the Sound Selection buttons (Previous/Next) to choose a specific track within the current category.

Figure 2: The Glocusent N16 offers 44 distinct sounds, including various white, pink, and brown noises, alpha brainwaves, and piano music, designed to create a calming environment for sleep.
Volume Control
Press the V- button to decrease the volume or the V+ button to increase the volume. The volume range is 20-65dB.
Customizable Sound Mix
The sound machine allows you to combine primary sound tracks with secondary piano pieces for a personalized audio experience. You can also play your own sounds via a TF card.
- Combining Sounds: Select a primary sound, then activate the piano music track to layer them.
- TF Card Playback: Insert a TF card with your preferred audio files into the TF card slot. The device will automatically detect and play the files.

Figure 3: The customizable sound mix feature allows users to combine primary sounds with piano tracks or play personal audio from a TF card.
Adjustable Night Light
The device features 12 lighting modes to create a calming ambiance.
- Change Light Mode: Press the Light Mode button briefly to cycle through 2 gradient modes, 2 breathing light modes, and 8 static-color lights.
- Adjust Brightness: Press the Brightness button to adjust the intensity of the selected light mode.

Figure 4: The Glocusent N16 offers versatile light modes, including gradient, breathing, and static colors, with adjustable brightness to suit your preference.
Timer Settings
Set an auto-off timer to conserve energy or match your sleep cycle.
- Timer Options: Choose from 0.5 hours, 1 hour, 1.5 hours, 6 hours, or infinite mode.
- Set Timer: Press the Timer button repeatedly to cycle through the available timer durations. An indicator light will confirm your selection.

Figure 5: The sound machine features four timer settings (0.5h, 1h, 1.5h, 6h) and an infinite mode for flexible use.
Media Integration
Watch this official product video for a visual guide on the Glocusent 4-in-1 Sleep Sound Machine.
Video 1: An official overview of the Glocusent 4-in-1 Sleep Sound Machine, demonstrating its features and benefits.
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.
- Avoid Water: Keep the device away from water and high humidity.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Device does not power on. | Ensure the Type-C cable is securely connected to both the device and a working power source. Try a different power adapter or USB port. |
| No sound or low volume. | Check the volume level using the V+ button. Ensure the device is not muted. |
| Light is not working. | Press the Light Mode button to cycle through modes. Adjust brightness using the Brightness button. |
| TF card audio not playing. | Ensure the TF card is inserted correctly and contains compatible audio files. |
Specifications
- Product Dimensions: 3.54 x 3.54 x 2.17 inches
- Item Weight: 11.04 ounces (313 Grams)
- Model Name: GLCSNTN1601
- Item Model Number: N16
- Brand: Glocusent
- Material: Acrylonitrile Butadiene Styrene (ABS)
- Color: White
- Manufacturer: Glocusent
Warranty and Support
Glocusent offers comprehensive customer support for your product.
- Warranty: Enjoy a 24-month warranty from the date of purchase.
- Returns: 30-day returns are available.
- Customer Support: 24/7 customer support is available for any inquiries or assistance.