eSynic Rechargeable White Noise Machine User Manual

Introduction

Thank you for choosing the eSynic Rechargeable White Noise Machine. This device is designed to provide a soothing environment for sleep and relaxation, featuring a variety of sounds, adjustable night lights, and a convenient recording function. Please read this manual carefully before use to ensure proper operation and to maximize your experience.

Safety Information

• This product is intended for use as a sleep aid and is not a toy.
• Always use the correct voltage/power requirements (DC5V 1A) for charging.
• For safe operation, keep the device out of reach of children and pets when not in use or unsupervised.
• Always turn off and unplug the device when not in use for extended periods.
• Do not expose the device to water or excessive moisture.

Package Contents

Verify that all items are present in your package:

• eSynic White Noise Machine (with built-in rechargeable battery)
• USB Charging Cable (Type-C)
• User Manual

Figure 1: Package Contents

Product Overview

The eSynic White Noise Machine features an intuitive button panel for easy control of sounds, lights, and other functions.

Figure 2: Control Panel Layout

Key Features:

• 30 High-Fidelity Sounds: Includes white noise, natural sounds, lullabies, and meditation sounds.
• 7 Night Light Colors: Select from various colors or a color-changing ambient light mode.
• 6-Level Brightness Adjustment: For the warm white night light.
• 3-Minute Recording Function: Record custom messages or sounds.
• Timed Sleep Settings: 30, 60, or 90-minute countdown modes, or continuous play.
• Memory Function: Retains last light mode, sound mode, and volume settings.
• Rechargeable Battery: Built-in 1500mAh battery for portable use (approx. 17-20 hours playtime).
• Backlit Buttons: For easy operation in the dark.
• Wireless Audio Function: Connect to a mobile phone to play other audio.

Setup

Charging the Device:

1. Connect the provided USB Type-C charging cable to the charging port on the device.
2. Plug the other end of the USB cable into a DC5V 1A power adapter (not included) or a compatible USB port.
3. The charging indicator light will illuminate (e.g., red) during charging and turn off when fully charged.
4. A full charge typically takes approximately 3 hours and provides 17-20 hours of continuous playback.

Figure 3: Charging the Device

Operating Instructions

1. Power On/Off:

• Press the Power button () to turn the device on or off.

2. Sound Selection:

• Press the Sound Category buttons (e.g., White Noise, Natural Sounds, Lullaby, Meditation) to cycle through different sound categories.
• Use the Previous/Next Sound buttons () to select a specific sound within the chosen category.

Figure 4: Sound Selection

3. Volume Adjustment:

• Press the Volume Up button () to increase the volume.
• Press the Volume Down button () to decrease the volume.

4. Night Light Control:

• Press the Light button () to turn the night light on/off and cycle through different colors and modes (warm white, 7 colors, color-changing ambient light).
• For the warm white light, press and hold the Light button to adjust the brightness through 6 levels.

Figure 5: Night Light Functions

5. Timer Settings:

• Press the Timer button () to set the automatic shut-off timer to 30, 60, or 90 minutes.
• To disable the timer for continuous play, cycle through the timer options until no timer indicator is lit.

Figure 6: Timer and Memory Function

6. Recording Function:

• Press the Record button () to start a 3-minute recording.
• Press any button to stop the recording before the 3-minute limit.
• To play back the recording, press the Play Recording button (usually the same as the Record button, or indicated by a specific icon).

Figure 7: Recording Function

7. Wireless Audio Function:

• The device can connect to a mobile phone via Bluetooth to play other white noise or music. Refer to your phone's Bluetooth settings to pair with the eSynic device.

Official Product Video:

Video 1: eSynic Professional White Noise Machine Overview. This video demonstrates the features and functions of the eSynic white noise machine, including sound selection, light modes, and recording capabilities.

Maintenance

• Clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Store the device in a cool, dry place when not in use.
• Avoid dropping the device or exposing it to strong impacts.

Troubleshooting

Specifications

Warranty and Support

For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official eSynic website. Keep your purchase receipt for warranty claims.