1. Introduction
Thank you for choosing the BONAOK Q78 Bluetooth Karaoke Microphone. This device combines a wireless microphone, a portable Bluetooth speaker, and an MP3 player into one unit, designed to enhance your singing and entertainment experience. Please read this manual carefully to ensure proper use and to maximize the product's features.
2. Safety Information
- Do not expose the device to extreme temperatures, humidity, or direct sunlight.
- Avoid dropping or subjecting the microphone to strong impacts.
- Keep out of reach of small children.
- Use only the provided charging cable or a certified equivalent.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
3. Package Contents
Please check the package for the following items:
- BONAOK Q78 Microphone
- Charging Cable
- User Manual
4. Product Overview
The BONAOK Q78 features a sleek design with integrated controls and dynamic LED lights. Familiarize yourself with the components below.

The BONAOK Q78 microphone features a black finish with a mesh microphone head and a control panel with LED lights on the handle.

This diagram illustrates the various buttons and ports on the BONAOK Q78 microphone, including Volume, Echo, Music controls, Power button, Mode button, Play/Pause, Previous/Next track buttons, Headphone connector, TF card slot, and USB port.
Control Buttons:
- Power Button: Press and hold to turn the microphone on or off. Short press to switch between modes (Bluetooth, TF Card).
- Volume: Adjusts the microphone's vocal volume.
- Echo: Adjusts the echo effect level for your voice.
- Music: Adjusts the volume of the background music.
- 'M' Button (Mode/LED): Short press to cycle through modes. Long press to turn the LED lights on or off.
- Previous/Next Track: Skips to the previous or next song when playing music.
- Play/Pause: Plays or pauses music playback.
Ports:
- Headphone Connector: For private listening.
- TF Card Slot: Insert a TF (Micro SD) card for MP3 playback.
- USB Port: For charging the device.
5. Setup
5.1 Charging the Microphone
Before first use, fully charge the microphone. Connect the provided charging cable to the USB port on the microphone and the other end to a USB power adapter (not included) or a computer's USB port. The indicator light will show charging status.

The microphone is shown connected to a charging cable, highlighting its long-lasting battery life of approximately 10 hours on a full charge.
5.2 Bluetooth Pairing
- Turn on the microphone by pressing and holding the Power button. A voice prompt will indicate it's in Bluetooth pairing mode.
- Enable Bluetooth on your smartphone or other Bluetooth-enabled device.
- Search for "Q78" in the list of available devices and select it to connect.
- A voice prompt will confirm successful pairing. The microphone will automatically connect to the last paired device when turned on, if Bluetooth is enabled on that device.

The image shows the process of connecting the BONAOK Q78 microphone to a smartphone via Bluetooth, indicating easy wireless pairing.
5.3 TF Card Playback
Insert a TF (Micro SD) card with MP3 music files into the TF card slot. The microphone will automatically switch to TF card mode and begin playing music. Use the Previous/Next and Play/Pause buttons to control playback.
6. Operating Instructions
6.1 Basic Microphone Use
Once connected via Bluetooth or playing from a TF card, you can sing along to your favorite tracks. Hold the microphone approximately 2-4 inches from your mouth for optimal sound capture.

A detailed view of the microphone's mesh head, with graphics suggesting multi-layer denoising technology for clear sound capture.
6.2 Adjusting Sound Settings
- Microphone Volume: Use the 'Volume' slider to increase or decrease your vocal output.
- Echo Effect: Use the 'Echo' slider to add or reduce the echo effect to your voice.
- Music Volume: Use the 'Music' slider to control the volume of the background music playing from your connected device or TF card.
6.3 Controlling LED Lights
The BONAOK Q78 features colorful LED lights that flicker with the rhythm of the music. The lights become brighter with higher music volume, creating a dynamic atmosphere.

This image illustrates how the microphone's colorful LED lights become brighter as the volume increases, enhancing the karaoke experience.
To turn the LED lights on or off, press and hold the 'M' button.
6.4 Using as a Portable Speaker
The BONAOK Q78 can function as a standalone Bluetooth speaker. Simply connect your device via Bluetooth and play music. The microphone function will be active, allowing you to sing along, or you can reduce the microphone volume to zero if you only wish to use it as a speaker.

An exploded view diagram revealing the internal speaker components of the microphone, emphasizing its sound output capabilities.
7. Maintenance
- Clean the microphone with a soft, dry cloth. Do not use abrasive cleaners or liquids.
- Store the microphone in a cool, dry place when not in use.
- Avoid prolonged exposure to direct sunlight or high humidity.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Microphone does not turn on | Low battery | Charge the microphone fully. |
| No sound from microphone | Microphone volume too low; Device not connected | Increase microphone volume; Ensure Bluetooth is paired or TF card is inserted correctly. |
| Bluetooth connection fails | Microphone not in pairing mode; Device Bluetooth off; Interference | Ensure microphone is on and in pairing mode; Turn on device Bluetooth; Move closer to the microphone; Restart both devices. |
| LED lights not working | Lights turned off | Long press the 'M' button to toggle LED lights on/off. |
| Music playback issues | Incorrect mode; Corrupt TF card files | Ensure correct mode (Bluetooth/TF card); Check TF card for valid MP3 files. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | BONAOK |
| Model Name | Q78 |
| Item Model Number | BKBS001ALB |
| Connectivity Technology | Bluetooth |
| Microphone Form Factor | Handheld |
| Power Source | Battery Powered |
| Material | Aluminum |
| Item Weight | 15.8 ounces |
| Product Dimensions (L x W x H) | 4.25 x 3.86 x 11.02 inches |
| Audio Sensitivity | 3 Decibels |
| Signal-to-Noise Ratio | 120 dB |
| Frequency Response | 10 KHz |
| Number of Channels | 1 |
| Polar Pattern | Unidirectional |
| Special Feature | Volume Control |
| Compatible Devices | Personal Computer, Smartphone |
| Recommended Uses | Karaoke, Singing |
10. Warranty and Support
BONAOK products are designed for reliability and performance. For any questions, technical support, or warranty claims, please refer to the contact information provided with your purchase or visit the official BONAOK website. Please retain your proof of purchase for warranty service.





