1. Introduction
Thank you for choosing the Kinglucky K8 Portable Bluetooth Karaoke Machine. This device is designed to provide an enjoyable audio experience with its integrated speaker, wireless microphones, and dynamic lighting. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your product.
2. Package Contents
Please verify that all items listed below are included in your package:
- 1 x Kinglucky K8 Karaoke Speaker
- 2 x Wireless Microphones
- 1 x USB Type-C Charging Cable
- 1 x User Manual (this document)

Image: The Kinglucky K8 Karaoke Speaker with two wireless microphones and charging cable, illustrating the package contents.
3. Product Overview
3.1. Main Unit (Karaoke Speaker)
The Kinglucky K8 speaker features a compact design with a handle for portability, a front-facing speaker grille, and dynamic LED lighting around its perimeter. It includes a 10W 5.7-inch full-range speaker for clear audio output.

Image: Front view of the Kinglucky K8 Karaoke Machine, showcasing its compact size and vibrant LED lighting.
3.2. Controls and Ports
The main unit features intuitive controls located on the top panel and various input/output ports.

Image: Detailed diagram of the top panel controls on the Kinglucky K8 Karaoke Machine, indicating buttons for volume, mode, power, and lighting.
- Power On/Off Button: Press and hold to power the unit on or off.
- Volume Down / Previous Track Button: Short press to decrease volume, long press for previous track.
- Volume Up / Next Track Button: Short press to increase volume, long press for next track.
- Switch Connection Mode Button: Press to cycle through input modes (Bluetooth, TF Card, USB, AUX).
- Switch Lighting Mode Button: Press to change the dynamic LED light effects.
- Ports: USB, Micro TF card slot, AUX input, USB Type-C charging port (typically located on the side or back).
3.3. Wireless Microphones
The two wireless microphones are designed for clear vocal pickup and feature built-in controls.

Image: Two wireless microphones for the Kinglucky K8 system, showing their control buttons for power, volume, and voice effects.
- Power Button: Press and hold to power on/off.
- Volume Buttons: Adjust microphone volume.
- Voice Effect Button: Cycle through 5 magic voice effects (Original/Accompaniment, Monster, Baby, Male, Female).
4. Setup
4.1. Charging the Device
Before first use, fully charge the karaoke speaker and both wireless microphones. Use the provided USB Type-C charging cable.
- Connect the USB Type-C cable to the charging port on the speaker and microphones.
- Connect the other end of the cable to a standard USB power adapter (not included) or a computer USB port.
- Charging indicators will typically show charging status and turn off or change color when fully charged.
- A full charge provides approximately 8-10 hours of continuous playback for the speaker.
4.2. Powering On
- Speaker: Press and hold the Power On/Off button on the top panel until the unit powers on.
- Microphones: Press and hold the Power button on each microphone until they power on. They will automatically pair with the speaker.
5. Operating Instructions
5.1. Bluetooth Connection
To play music wirelessly from your smartphone, tablet, or other Bluetooth-enabled device:
- Ensure the karaoke speaker is powered on and in Bluetooth mode (press the "Switch Connection Mode" button if necessary). The speaker will indicate it's ready for pairing.
- On your device, go to Bluetooth settings and search for available devices.
- Select "Kinglucky K8" (or similar name) from the list to pair.
- Once connected, you can play music from your device through the karaoke speaker.

Image: A person demonstrating connecting a tablet to the Kinglucky K8 Karaoke Machine via Bluetooth for music playback.
5.2. Using Microphones
Once the microphones are powered on, they will automatically connect to the speaker.
- Microphone Volume: Use the volume buttons on the microphone to adjust your vocal output level.
- Voice Effects: Press the voice effect button on the microphone to cycle through different vocal styles: Original/Accompaniment, Monster, Baby, Male, Female.
5.3. Other Input Modes
The Kinglucky K8 supports multiple audio input options:
- Micro TF Card: Insert a Micro TF card with MP3 audio files into the designated slot. The speaker will automatically switch to TF card mode and begin playback.
- USB Flash Drive: Insert a USB flash drive with MP3 audio files into the USB port. The speaker will switch to USB mode and begin playback.
- AUX Input: Connect an external audio device (e.g., MP3 player) using a 3.5mm AUX cable (not included) to the AUX port. Press the "Switch Connection Mode" button until AUX mode is selected.
5.4. Dynamic LED Lights
The speaker features 5 dynamic color modes to enhance your experience.
- Press the "Switch Lighting Mode" button on the speaker's top panel to cycle through the available light effects.

Image: Multiple Kinglucky K8 Karaoke Machines shown with different vibrant LED light colors, illustrating the dynamic lighting feature.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of 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 device frequently. Charge it regularly, even if not in use for extended periods.
- Water Exposure: This device is not waterproof. Avoid exposure to water or high humidity.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery. | Charge the speaker and microphones fully. |
| No sound from speaker. | Volume too low; incorrect input mode; device not paired. | Increase volume on both speaker and connected device. Ensure correct input mode is selected. Re-pair Bluetooth device. |
| Microphones not working. | Microphones not powered on; low battery; not paired. | Ensure microphones are powered on and charged. They should automatically pair with the speaker. |
| Bluetooth connection unstable. | Device too far from speaker; interference. | Move the connected device closer to the speaker. Avoid obstacles or other wireless devices causing interference. |
8. Specifications
- Model: K8
- Brand: Kinglucky
- Speaker Output Power: 10W
- Speaker Size: 5.7-inch full-range
- Bluetooth Version: 5.4
- Connectivity: Bluetooth, Micro TF Card, USB Flash Drive, AUX
- Microphones: 2 x Wireless Microphones
- Voice Effects: 5 (Original/Accompaniment, Monster, Baby, Male, Female)
- LED Lighting: 5 Dynamic Color Modes
- Battery Life (Speaker): 8-10 hours (approx.)
- Charging Port: USB Type-C
- Product Dimensions: 4 x 4 x 5 inches
- Item Weight: 1.96 pounds
9. Warranty and Customer Support
Kinglucky provides a 12-month warranty for this product. If you encounter any issues or have questions regarding your Kinglucky K8 Karaoke Machine, please contact our customer service team for assistance. We are committed to providing friendly and helpful support.
For support, please refer to the contact information provided on the product packaging or the official Kinglucky website.





