1. Product Overview
The Yoidesu Portable Mini Voice Changer Device is designed to modify your voice in real-time. It features multiple sound effects and voice changes, making it suitable for various applications such as online gaming, chatting, and live streaming. Its compact size ensures portability and ease of use.

Image: Front view of the Yoidesu Portable Mini Voice Changer Device, showing buttons and indicators.
2. Package Contents
- Yoidesu Portable Mini Voice Changer Device
- 3.5mm Audio Conversion Cable
- USB Charging Cable

Image: The Yoidesu voice changer device shown with its included 3.5mm audio cable and USB charging cable.
3. Device Layout

Image: Diagram illustrating the connection points and controls of the voice changer device, including the On/Off button, volume controls, sound effect key, voice changer button, headset jack, and charging cable port.
- On/Off Button: Long press to power on or off the device.
- Volume Down Button: Decreases the output volume.
- Volume Up Button: Increases the output volume.
- Voice Changer Button: Short press to cycle through voice change effects (Male to Female, Female to Male, Loli, Baby Voice).
- Sound Effect Button: Short press to cycle through additional sound effects (Original Sound, Magic Sound, Germination, Deep).
- Charging Indicator: LED light indicates charging status.
- Headset Jack: 3.5mm port for connecting headphones or earphones.
- Charging Port: Micro USB port for charging the device.
4. Setup and Connection
Follow these steps to connect your Yoidesu Voice Changer Device to your mobile phone or other compatible devices:
- Charge the Device: Connect the provided USB charging cable to the device's charging port and a power source. The charging indicator will light up.
- Connect to Phone/Device: Use the included 3.5mm audio conversion cable. Connect one end to your phone or other device's audio jack.
- Connect to Voice Changer: Connect the other end of the 3.5mm audio conversion cable to the top audio input port of the voice changer device. Ensure the plug is inserted deeply.
- Connect Headphones: Plug your headphones or earphones into the 3.5mm headset jack at the bottom of the voice changer device. Ensure the plug is inserted deeply.
- Power On: Long press the On/Off button on the voice changer to power it on.

Image: The voice changer device connected to a smartphone, with other compatible devices like tablets and computers shown in the background, illustrating its broad compatibility.
5. Operating Instructions
Once connected, you can begin using the voice changer:
- Changing Voice Effects: Press the Voice Changer button to cycle through the available voice modifications:
- Male to Female
- Female to Male
- Loli (Child's voice)
- Baby Voice
- Applying Sound Effects: Press the Sound Effect button to cycle through additional sound effects:
- Original Sound
- Magic Sound
- Germination (likely a specific effect name)
- Deep
- Adjusting Volume: Use the Volume + and Volume - buttons to increase or decrease the output volume to your headphones.

Image: Illustrations showing the voice changer being used for talking on the phone, chatting, live streaming, and playing games, highlighting its versatility.
6. Maintenance
To ensure the longevity and optimal performance of your Yoidesu Voice Changer Device:
- Keep the device dry and away from moisture.
- Avoid extreme temperatures.
- Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store in a safe place when not in use to prevent physical damage.
7. Troubleshooting
- No Sound/Voice Change:
- Ensure the device is fully charged and powered on.
- Verify all cables (audio and headphone) are securely and deeply inserted into their respective ports on both the voice changer and your connected device.
- Check the volume levels on both the voice changer and your connected device.
- Test with different headphones or a different audio cable to rule out faulty accessories.
- Ensure your phone or PC's audio settings are configured to use the external device for input/output.
- Poor Sound Quality/Static:
- Check for loose connections.
- Ensure there is no interference from other electronic devices.
- Try adjusting the volume levels.
- Device Not Turning On:
- Ensure the device is fully charged. If not, connect it to a power source and allow it to charge for at least 30 minutes before attempting to power on again.
- Try a different USB charging cable and power adapter.
8. Specifications
| Product Dimensions | 3.15 x 1.97 x 0.79 inches |
| Item Weight | 3.52 ounces |
| Model Number | Yoidesu72ywckbo5n |
| Compatible Devices | Personal Computer, Smartphone |
| Hardware Interface | USB |
| Audio Output Mode | Stereo |

Image: The Yoidesu voice changer device with its dimensions (length, width, thickness) indicated in centimeters and inches.
9. Warranty and Support
Yoidesu provides a 12-month quality guarantee from the date of purchase for this device. If you encounter any questions or issues during use, please contact Yoidesu customer service for assistance.