1. Introduction
Thank you for choosing the Peski K-51 Portable Bluetooth Karaoke Machine. This compact and versatile device is designed to provide an enjoyable karaoke experience with its high-quality sound, dynamic lighting, and dual wireless microphones. This manual will guide you through the setup, operation, and maintenance of your new karaoke machine to ensure you get the most out of its features.
2. What's in the Box
- Mini Karaoke Machine (1 unit)
- Wireless Microphone (2 units)
- USB Cable (2 units)
- User Manual (1 unit)
3. Product Overview
The Peski K-51 features a compact speaker unit with integrated controls and two wireless microphones for duet performances. The speaker includes a leather handle for portability and dynamic LED lighting for an enhanced experience.

Image: The Peski K-51 Portable Bluetooth Karaoke Machine, showing the main speaker unit with colorful LED lights and two matching wireless microphones.
Speaker Controls and Ports:
- Power Button: Turns the speaker on/off.
- Volume Buttons (+/-): Adjusts the speaker volume.
- Mode Button (M): Switches between input modes (e.g., Bluetooth, TF card, USB).
- Light Button: Controls the LED lighting effects.
- Play/Pause Button: Controls music playback.
- Microphone Button: Activates/deactivates microphone input.
- USB Port: For USB drive playback and power bank functionality.
- TF Card Slot: For TF card playback.
- USB-C Charging Port: For charging the speaker.
- 3.5mm Audio Jack: For headphone output.
Microphone Controls and Ports:
- Power Button: Turns the microphone on/off.
- Volume/Echo Control: Adjusts microphone volume and echo effect.
- USB-C Charging Port: For charging the microphone.
4. Setup
4.1 Charging the Devices
Before first use, fully charge the karaoke machine speaker and both wireless microphones. Use the provided USB cables to connect them to a compatible USB power adapter (not included).
- Connect the USB-C end of the cable to the charging port on the speaker.
- Connect the USB-C end of the other cable to the charging port on each microphone.
- The charging indicator light will illuminate during charging and turn off or change color when fully charged.
4.2 Powering On/Off
- Speaker: Press and hold the Power button on the speaker until the indicator light turns on.
- Microphones: Press and hold the Power button on each microphone until the indicator light turns on.
- To power off, repeat the process by pressing and holding the Power button on each device.
4.3 Bluetooth Connection
To play music from your smartphone or other Bluetooth-enabled device:
- Ensure the karaoke machine speaker is powered on and in Bluetooth mode (indicated by a flashing blue light or voice prompt). If not, press the 'M' (Mode) button to switch to Bluetooth mode.
- On your smartphone or device, go to Bluetooth settings and search for available devices.
- Select "K-51" (or similar name) from the list to pair. A confirmation sound will indicate successful pairing.
- Once connected, you can play music from your device through the karaoke machine speaker.
4.4 Microphone Pairing
The microphones should automatically pair with the speaker when both are powered on. If they do not connect:
- Ensure both the speaker and microphones are powered on and fully charged.
- If a microphone is not connecting, try powering it off and on again.
- If issues persist, consult the troubleshooting section.
5. Operating Instructions
5.1 Adjusting Volume
- Speaker Volume: Use the '+' and '-' buttons on the speaker to adjust the overall music volume.
- Microphone Volume: Use the dedicated volume control on each microphone to adjust your singing volume.
5.2 Voice Effects
The microphones feature built-in voice effects to enhance your performance. Press the dedicated button on the microphone to cycle through available voice effects (e.g., echo, robot voice, etc.).
5.3 Dynamic Colorful Lights
The speaker is equipped with dynamic LED lights that create a vibrant atmosphere. Press the light bulb button on the speaker to turn the lights on/off or to cycle through different lighting modes.
Video: Demonstrates the dynamic colorful light show feature of the Peski K-51 karaoke machine, showing various color changes and patterns.
5.4 Playing Music from USB/TF Card
Insert a USB drive or TF card (with music files in MP3 format) into the corresponding port on the speaker. The speaker will automatically switch to USB/TF card mode and begin playing music. Use the Play/Pause button and volume controls as needed.
6. Features
- Astonishing Sound: Built-in professional tuning grade speaker delivers clear, loud, and distortion-free stereo sound.
- Dual Wireless Microphones: Two microphones allow for duets and interactive singing.
- Dynamic Colorful Lights: Integrated LED lights provide a vibrant visual experience, enhancing the party atmosphere.
- Portable Design: Compact size with a convenient leather handle for easy transport.
- Voice Effects: Microphones offer various voice modulation effects for added fun.
- Multi-Source Playback: Supports Bluetooth, USB drive, and TF card for versatile music options.
- Rechargeable Battery: Long-lasting internal battery for extended use.
- Power Bank Functionality: The speaker's USB port can be used to charge other devices.
7. Maintenance
- Cleaning: Wipe the surfaces of the speaker and microphones with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- 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.
- Water Resistance: This device is not waterproof. Avoid exposure to water or excessive moisture.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speaker | Speaker is off or low battery. Volume is too low. Incorrect input mode. | Ensure speaker is charged and powered on. Increase speaker volume. Press 'M' button to select correct input mode (Bluetooth, USB, TF). |
| Microphone not working/pairing | Microphone is off or low battery. Not paired correctly. | Ensure microphone is charged and powered on. Power off and on the microphone to re-establish connection. Ensure it's within range of the speaker. |
| Bluetooth connection unstable | Device too far from speaker. Interference. | Move your device closer to the speaker. Avoid obstacles between devices. Disconnect and reconnect Bluetooth. |
| Lights not working | Lights are turned off. | Press the light bulb button on the speaker to activate or change light modes. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | K-51 |
| Brand | Peski |
| Item Weight | 360 Grams (12.7 ounces) |
| Product Dimensions (L x W x H) | 2.7 x 3.5 x 3.5 inches |
| Number of Channels | 1 |
| Power Source | Battery Powered |
| Connectivity | Bluetooth, USB, TF Card |
10. Warranty and Support
For warranty information and customer support, please refer to the contact details provided on the product packaging or visit the official Peski website. Keep your purchase receipt as proof of purchase for any warranty claims.