1. Introduction
Thank you for purchasing the MetFut MF-Y11S Bluetooth Wireless Karaoke Microphone. This portable device combines a microphone and speaker, offering a convenient and enjoyable karaoke experience. Please read this manual carefully before use to ensure proper operation and to maximize your enjoyment of the product.
2. Package Contents
Please check the package to ensure all items are present:
- MetFut MF-Y11S Karaoke Microphone Unit
- PU Storage Case
- Audio Cable
- Charging Cable
- Microphone Windscreen (Sponge)
- Welcome Guide (Instruction Manual)

Figure 2.1: Package Contents
3. Product Features
- High-Quality Audio: Integrated speaker for clear sound. Utilizes Bluetooth 5.0 for stable wireless connection with minimal delay.
- Headphone Monitoring: Connect 3.5mm headphones for private practice without disturbing others.
- Duet Mode: Easily synchronize two microphones for simultaneous singing.
- Echo Function: Adjustable echo effect to enhance your singing experience.
- Vocal Removal: Supports vocal removal from songs when used with compatible karaoke apps.
- Premium Design: Features a durable, comfortable leather handle.
- Long Battery Life: Built-in 3000mAh rechargeable battery provides up to 10 hours of continuous use after approximately 3 hours of charging.
- Multiple Playback Options: Supports TF card and AUX playback in addition to Bluetooth.
- Portable: Compact design with an included durable PU storage case for easy transport and protection.

Figure 3.1: Integrated Speaker Design

Figure 3.2: Controls and Ports
4. Setup and Operation
4.1. Power On/Off
Press and hold the ON/OFF button (power symbol) located on the microphone's control panel to turn the device on or off. A voice prompt will indicate the power status.
4.2. Bluetooth Pairing
- Turn on the microphone. It will automatically enter Bluetooth pairing mode.
- On your smartphone or tablet, go to Bluetooth settings and search for available devices.
- Select "Y11S" from the list to connect. A voice prompt will confirm successful pairing.
Video 4.1: Unboxing and Initial Setup. This video demonstrates unboxing the microphone, powering it on, and the initial voice prompts.

Figure 4.2: Simple Bluetooth Setup
4.3. Adjusting Volume and Echo
- Use the MIC VOL +/- buttons to adjust your microphone's volume.
- Use the Reverb +/- slider to adjust the echo effect.
- Use the V+/- buttons to adjust the music volume.
4.4. Duet Mode
To activate Duet Mode, press the Duet Mode button. This allows two MetFut MF-Y11S microphones to synchronize and sing together. Ensure both microphones are powered on and within range.

Figure 4.3: Duet Mode in Use
4.5. Headphone Monitoring
For private practice or to avoid disturbing others, connect 3.5mm headphones to the designated port on the microphone. This will mute the built-in speaker, allowing you to hear your voice and music through the headphones.

Figure 4.4: Headphone Monitoring
4.6. TF Card and AUX Playback
- TF Card: Insert a TF card (MicroSD card) with your music files into the TF card slot. The microphone will automatically detect and play the music.
- AUX: Connect an external audio device using the provided audio cable to the AUX port for wired playback.

Figure 4.5: Versatile Usage Scenarios
Video 4.6: Product Features and Usage Demonstration. This video highlights the stereo speaker, wireless Bluetooth, premium leather handle, various controls (mic volume, reverb, duet mode, vocal removal, music volume), Bluetooth pairing, TF card slot, charging/recording port, 3.5mm headphone jack, and shows children and adults enjoying the microphone.
5. Charging
The microphone is equipped with a 3000mAh rechargeable battery. When the battery is low, connect the provided charging cable to the charging port on the microphone and a USB power source. The charging indicator light will show the charging status. A full charge takes approximately 3 hours and provides up to 10 hours of continuous use.
6. Troubleshooting
- No Sound:
- Ensure the microphone is powered on.
- Check microphone and music volume levels.
- Verify Bluetooth connection or AUX/TF card insertion.
- If using headphones, ensure they are properly connected and the speaker is not muted.
- Bluetooth Disconnection:
- Ensure the microphone is within range of the connected device.
- Re-pair the device if necessary.
- Check battery level of the microphone.
- Echo Effect Not Working:
- Adjust the Reverb slider to increase the echo effect.
- Poor Sound Quality:
- Ensure the microphone windscreen is properly installed.
- Check for interference from other electronic devices.
- Adjust microphone and music volume to prevent distortion.
7. Specifications
| Feature | Specification |
|---|---|
| Brand Name | MetFut |
| Product Model Number | MF-Y11S |
| Power Source | Battery Powered |
| Battery Quantity | 1 (included) |
| Material | Plastic & Leather |
| Color | Black & Purple |
| Connectivity Technology | AUX, Bluetooth, USB |
| Connector Type | Micro USB |
| Special Feature | Bluetooth Connection |
| Compatible Devices | Android/iPhone |
| Microphone Form Factor | Handheld |
| Product Dimensions (LxWxH) | 7.9 x 28.7 x 7.9 cm |
| Product Weight | 700 g |
8. Safety and Warranty
This product has obtained technical compliance certification (Certification Number: 201-190784) and PSE electrical product safety certification. It is sold as a genuine product in Japan, ensuring customer peace of mind.
MetFut products come with a 1-year warranty. If you encounter any issues during use, please feel free to contact us. We are committed to providing thorough support for any questions regarding product details, as outlined in the instruction manual.




