1. Introduction
This manual provides detailed instructions for the LEICEX Portable Travel Sound Machine, Model W34. Designed for portability and ease of use, this device offers a variety of soothing sounds to create a peaceful environment for sleep, relaxation, or privacy. Please read this manual thoroughly before using the product to ensure proper operation and maintenance.
2. Safety Information
Use only the specified battery type. Do not overcharge the device. Keep out of reach of children. Follow safe listening levels to prevent hearing damage. Do not expose to extreme temperatures or moisture.
3. Package Contents
- LEICEX Portable Travel Sound Machine (Model W34)
- USB-C Charging Cable
- Hanging Rope
- User Manual
4. Product Overview
The LEICEX Portable Travel Sound Machine is a compact device designed for convenience and effective sound delivery. Its small size makes it ideal for travel and on-the-go use.

Figure 1: Front view of the LEICEX Portable Travel Sound Machine.

Figure 2: The sound machine's compact size, easily held in one hand.
Control Buttons

Figure 3: Overview of the control panel and button functions.
- Power Button (Center): Long press to turn the device on or off.
- Timer Button (Top): Single press to cycle through timer settings (30 min, 60 min, 90 min, continuous).
- Volume Up Button (Right): Single press to increase volume. Long press to select the next sound.
- Volume Down Button (Left): Single press to decrease volume. Long press to select the previous sound.
5. Setup
Charging the Device
Before first use, fully charge the sound machine. Use the provided USB-C cable to connect the device to a compatible power source (e.g., USB wall adapter, computer USB port).

Figure 4: The sound machine connected via USB-C for charging.
The charging indicator light will show the charging status. Once fully charged, the light will change or turn off, depending on the model.
6. Operating Instructions
Power On/Off
- To turn on: Long press the Power Button (center button) until the device activates.
- To turn off: Long press the Power Button again until the device deactivates.
Sound Selection
The device offers 15 non-looping sounds, including white noise, pink noise, brown noise, fan sounds, rain, ocean waves, summer nights, crackling campfire, bird sounds, and babbling brook.

Figure 5: Visual representation of the 15 available soothing sounds.
- To change sound: Long press the Volume Up (+) button to go to the next sound, or long press the Volume Down (-) button to go to the previous sound.
Volume Adjustment
The device features 32 adjustable volume levels.

Figure 6: The sound machine offers 32 volume levels for personalized comfort.
- To increase volume: Short press the Volume Up (+) button.
- To decrease volume: Short press the Volume Down (-) button.
Timer Setting
Set a timer for automatic shutdown or allow continuous play.

Figure 7: Timer options include 30 minutes, 1 hour, 2 hours, 3 hours, or continuous play.
- To set timer: Short press the Timer Button (top button) to cycle through the available options: 30 minutes, 60 minutes, 90 minutes, or continuous play. An indicator light will confirm your selection.
Memory Function
The device remembers your last sound and volume settings, so it will resume with your preferred configuration when turned on again.

Figure 8: The memory function saves your last sound and volume settings.
7. Key Features
- Compact Travel Size: Measuring only 1.6 x 1.6 x 1.7 inches, it's designed for portability.
- 15 Non-Looping Sounds: A diverse selection of white noise, fan sounds, and nature sounds for various preferences.
- 5 Shutdown Timers: Options for 30, 60, 90 minutes, or continuous play.
- Memory Function: Automatically recalls your last sound and volume settings.
- 32 Volume Levels: Fine-tune the sound to your desired comfort.
- USB-C Rechargeability: Convenient and fast charging.
- Long Battery Life: Up to 22 hours of continuous play at maximum volume, longer at moderate levels.
- Hanging Rope: Allows for easy attachment to strollers, car seats, or bags.
8. Product Demonstrations
LEICEX Portable Mini Sound Machine Overview
Video 1: A demonstration of the LEICEX Portable Mini Sound Machine, highlighting its features and compact design.
Easy Operation: Volume and Timer
Video 2: This video demonstrates how to adjust the volume and set the timer for continuous or timed playback.
Portable Sound Machine: Size and Power
Video 3: A short video showcasing the small size and powerful sound output of the portable sound machine.
9. 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 away from direct sunlight and moisture when not in use.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge regularly.
10. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on | Low battery; Power button not pressed correctly | Charge the device; Long press the Power Button for 3 seconds |
| No sound output | Volume too low; Incorrect sound selected | Increase volume using the '+' button; Cycle through sounds using long press on '+/-' buttons |
| Short battery life | Device not fully charged; High volume usage | Ensure full charge before use; Reduce volume for extended battery life |
11. Specifications
- Product Dimensions: 1.6 x 1.6 x 1.7 inches
- Weight: 3.53 ounces
- Model Number: W34
- Battery: 1 Lithium Polymer battery (included)
- Power Source: Battery Powered (USB-C rechargeable)
- Material: Plastic
- Manufacturer: Dongguan Haolisheng Electronic Technology Co.,Ltd.
12. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official LEICEX website. Keep your proof of purchase for any warranty claims.





