Introduction
Thank you for choosing the FanFun D58 Bluetooth Speaker Karaoke Machine. This portable system is designed to provide an enjoyable karaoke experience with its compact size, wireless microphones, and versatile connectivity options. Please read this manual carefully to ensure proper use and to maximize your enjoyment of the product.
Video: Overview of the D58 Bluetooth Speaker Karaoke Machine.
Package Contents
Please check the box for the following items:
- 1 x D58 Bluetooth Speaker Unit
- 2 x Wireless Microphones
- 1 x Charging Cable (Type-C)
- 1 x Audio Cable (AUX)
- 1 x User Manual (this document)

Image: All items included in the D58 Karaoke Machine package.
Specifications
| Feature | Specification |
|---|---|
| Model | D58-T |
| Brand | FanFun |
| Dimensions (Speaker) | 5.51in (14cm) x 3.93in (10cm) x 3.3in (8.4cm) |
| Weight | 1.85 lbs (approx. 0.84 kg) |
| Power Source | USB (5-20V DC), Built-in Battery |
| Input Power | <25 W |
| Battery Working Time | 8+ hours |
| Battery Charging Time | 2-3 hours |
| Bluetooth Version | 5.3 |
| Sound Modes | 3D Surround Sound Mode, Stereo Sound Mode, Standard Mode |
| Audio Crossover | Full-Range |
| Number of Loudspeaker Enclosure | 1 |
| Channels | 1 |
| Connectivity | Bluetooth, USB, TF Card, AUX-in |
| Voice Control | No |
| Waterproof | No |
| Support APP | Yes |
| Cabinet Material | Plastic |
| LED Display | 15 Kinds of Animated Display Screen |
Controls and Ports
Familiarize yourself with the buttons and ports on your D58 Karaoke Machine and its wireless microphones.
Speaker Unit Controls

Image: Speaker unit front controls.
- M (Mode Change) Button: Short press to switch between Bluetooth, USB, TF card, and AUX input modes.
- VOL- Button: Short press to decrease music volume. Long press to switch to the previous track.
- VOL+ Button: Short press to increase music volume. Long press to switch to the next track.
- Power ON/OFF / Play/Pause Button: Long press to power the unit on or off. Short press to play or pause music. In external audio (AUX) mode, short press acts as mute.
- Light Button: Long press to turn the LED display on or off. Short press to cycle through different LED light effects.
- Vocal Removal (消原音) Button: Short press to enable or disable the vocal removal function. This function is not active in external audio (AUX) mode.
Speaker Unit Ports and Indicators

Image: Speaker unit rear ports and details.
- AUX-IN Port: For connecting external audio devices via the provided audio cable.
- TF Card Slot: For playing music directly from a TF (MicroSD) card.
- USB Port: For playing music directly from a USB flash drive.
- DC 5V (Type-C) Port: For charging the speaker unit.
- Indicator Light:
- Red light solid: Charging in progress.
- Light off (after red): Charging complete.
- Blue light blinking: Bluetooth not connected.
- Blue light solid: Bluetooth connected.
Wireless Microphone Controls and Indicators

Image: Wireless microphone controls.
- Power ON/OFF Button: Long press to power the microphone on or off. Double-click to play/pause (when connected to speaker).
- Volume + Button: Short press to increase microphone volume. Long press for previous track (when connected to speaker).
- Volume - Button: Short press to decrease microphone volume. Long press for next track (when connected to speaker).
- EFF Button (Magic Voice): Short press to cycle through Magic Voice 1, Magic Voice 2, Magic Voice 3, Magic Voice 4, and turn off Magic Voice. Double-click to enable/disable vocal removal. Long press to mute the microphone.
- Indicator Light:
- Blue light flashes quickly: Microphone powered on, searching for speaker.
- Blue light solid: Microphone successfully connected to speaker.
- Red light solid: Microphone charging in progress.
- Red light off (after solid): Microphone charging complete.
- Red light blinking every 5 seconds: Low battery.
Setup
1. Charging the Devices
Before first use, ensure both the speaker unit and the wireless microphones are fully charged.
- Speaker Unit: Connect the provided Type-C charging cable to the DC 5V port on the speaker and to a USB power adapter (not included). The indicator light will be red while charging and turn off when fully charged.
- Wireless Microphones: Connect the charging cable to the charging port on each microphone. The indicator light will be red while charging and turn off when fully charged.
2. Powering On
- Speaker Unit: Long press the Power ON/OFF button on the speaker unit.
- Wireless Microphones: Long press the Power ON/OFF button on each microphone.
3. Initial Bluetooth Pairing (Speaker)
The speaker unit defaults to Bluetooth mode upon powering on. If not, short press the 'M' button to switch to Bluetooth mode.
- Turn on your mobile phone's Bluetooth function.
- Search for Bluetooth devices and select "D58-T" from the list.
- Once paired, the speaker will announce "Bluetooth connected," and the blue indicator light will become solid.
4. Wireless Microphone Connection
When the speaker and microphones are powered on, the 2.4G wireless signal will automatically pair. The microphone's blue indicator light will flash quickly and then become solid once connected.
Operating Instructions
Bluetooth Mode
After successful Bluetooth pairing:
- Playing Music: Open your music app on your connected device (phone, tablet, PC) and start playing your favorite songs.
- Volume Control: Use the VOL+ and VOL- buttons on the speaker or the connected device to adjust the music volume.
- Track Control: Long press VOL+ for the next track, long press VOL- for the previous track.
- Play/Pause: Short press the Power ON/OFF button on the speaker.
- Memory Function: The speaker will automatically attempt to reconnect to the last paired device when powered on. To disconnect, do so via your mobile device's Bluetooth settings.
TF Card / USB Mode

Image: Multiple ways to use the D58 Karaoke Machine.
- Insert Media: Insert a TF card or USB flash drive into the corresponding port on the speaker. The speaker will automatically detect and prioritize playback from the newly inserted media, with an audible prompt.
- Switching Modes: If both a TF card and USB drive are inserted, or if you want to switch from Bluetooth/AUX, short press the 'M' button to cycle through modes.
- Track and Volume Control: Use the VOL+ and VOL- buttons on the speaker for track navigation and volume adjustment.
AUX (External Audio Input) Mode
- Connect Device: Plug one end of the provided audio cable into the AUX-IN port on the speaker and the other end into the headphone jack or audio output of your external device (e.g., phone, computer). The speaker will automatically switch to AUX mode, with an audible prompt.
- Switching Modes: If other media (TF card, USB) are also connected, short press the 'M' button to cycle to AUX mode.
- Mute Function: In AUX mode, a short press of the Power ON/OFF button on the speaker will mute the audio.
Music Light Effects

Image: Examples of LED lighting effects.
- Change Effects: The speaker defaults to a full-color rotating light effect. Short press the Light button to cycle through the 15 different animated LED display patterns.
- Turn On/Off Lights: Long press the Light button to turn the LED display on or off.
Wireless Microphone Usage

Image: Demonstrating the 'Funny Magic Voice' feature.
Once the microphones are paired with the speaker:
- Singing: You can now sing along to your music.
- Microphone Volume: Use the Volume + and Volume - buttons on the microphone to adjust your vocal volume.
- Magic Voice Effects: Short press the EFF button to cycle through four different 'Magic Voice' effects. Press again to turn off the effects.
- Vocal Removal (Microphone): Double-click the EFF button on the microphone to enable or disable the vocal removal function.
- Mute Microphone: Long press the EFF button on the microphone to mute it.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker and microphones. Do not use abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
- Avoid Water: This product is not waterproof. Keep it away from water and moisture to prevent damage.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Device won't power on. | Ensure the device is fully charged. Long press the power button for a few seconds. |
| No sound from speaker. | Check volume levels on both the speaker and the connected device. Ensure the correct input mode (Bluetooth, USB, TF, AUX) is selected. Check if the speaker is muted in AUX mode. |
| Bluetooth won't connect. | Ensure the speaker is in Bluetooth mode (blue light blinking). Turn off and on Bluetooth on your device. Forget "D58-T" from your device's Bluetooth list and try pairing again. Ensure no other device is connected to the speaker. |
| Microphone not working. | Ensure microphones are powered on and fully charged. Check if the microphone's blue indicator light is solid (paired). Ensure the microphone is not muted (long press EFF button). Check speaker volume. |
| Vocal removal not working. | Ensure the vocal removal function is activated (short press on speaker, double-click on mic). Note that this function does not work in AUX mode. |
| LED display is off. | Long press the Light button on the speaker to turn the LED display on. |
User Tips
- For the best sound experience, ensure both the speaker and microphones are fully charged before use.
- Experiment with the different 'Magic Voice' effects on the microphones to add fun to your singing.
- The vocal removal feature works best with clear, studio-recorded tracks. Results may vary with live recordings or complex mixes.
- Keep the speaker and microphones within close proximity for optimal wireless connection stability.
- When using TF card or USB, ensure your music files are in a compatible format (e.g., MP3).
Warranty and Support
For any product-related inquiries, technical support, or warranty claims, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific contact information.
A PDF version of this user manual is available for download: User Manual (PDF)