1. Introduction
Thank you for choosing the voijump Mini Karaoke Machine K304. This portable Bluetooth karaoke system is designed to provide an enjoyable audio experience with its compact speaker and two wireless microphones. This manual provides essential information for safe and effective use of your device.
2. What's in the Box
- Wireless Microphone *2
- Karaoke Machine *1
- Charging Cable *1
- User Manual *1
3. Product Overview
The voijump Mini Karaoke Machine K304 consists of a main speaker unit and two wireless microphones. The speaker features integrated LED lights and a compact design for portability. The microphones offer voice modulation and echo effects.
Image: The voijump Mini Karaoke Machine, including the main speaker unit and two wireless microphones.
3.1 Main Speaker Unit
The main speaker unit provides audio output and features control buttons for various functions. It includes a handle for easy carrying and a front panel with LED lights that react to music.
Image: Dimensions of the speaker (3.26 inches wide, 2.53 inches deep, 2.89 inches high) and microphone (5.3 inches long).
3.2 Wireless Microphones
Two wireless microphones are included, allowing for duets or shared singing. Each microphone has independent controls for volume, echo, and voice effects.
Image: Close-up of the two wireless microphones, highlighting their design and controls.
3.3 Sound Technology
The karaoke machine features a DSP chip, 3D surround sound, and HiFi sound quality for clear audio output.
Image: Internal components of the speaker, illustrating the DSP chip and sound drivers.
4. Setup
4.1 Charging the Device
Before first use, fully charge the karaoke machine and both microphones using the provided USB Type-C charging cable. The built-in rechargeable battery provides 8-10 hours of playtime on a full charge.
Image: The speaker's side panel, indicating the 3.5mm port, TF card slot, and Type-C charging port.
4.2 Powering On/Off
- Speaker: Long press the power button on the speaker unit to turn it on or off.
- Microphones: Long press the power button on each microphone to turn it on or off.
4.3 Bluetooth Connection
The speaker and microphones automatically connect to each other when powered on. To connect the karaoke machine to an external device (smartphone, tablet, laptop) via Bluetooth 5.4:
- Ensure the karaoke machine speaker is powered on.
- On your external device, enable Bluetooth and search for available devices.
- Select the 'voijump K304' (or similar) from the list to pair.
- A confirmation sound will indicate a successful connection.
The Bluetooth connection has an unobstructed range of up to 50 feet.
Image: Visual representation of the Bluetooth 5.3 connection process, showing the karaoke machine connecting to a smartphone, tablet, and laptop.
5. Operating Instructions
5.1 Speaker Controls
Image: Detailed diagram of the speaker's top panel controls and their functions.
- Volume Up (+): Short press to increase speaker volume. Long press for next song.
- Volume Down (-): Short press to decrease speaker volume. Long press for previous song.
- Play/Pause (►▮): Short press to play or pause music. Long press to power on/off.
- Mode (M): Short press to switch between TF Card and Bluetooth modes. Long press to turn LED lights on/off.
5.2 Microphone Controls
Image: Detailed diagram of the microphone controls and their functions.
- Mic Volume Up: Short press to increase microphone volume (5 levels). Long press (2s) to increase echo volume (5 levels).
- Mic Volume Down: Short press to decrease microphone volume (5 levels). Long press (2s) to decrease echo volume (5 levels).
- Voice Change: Short press to switch between 5 magic voice effects. Long press to remove/restore music vocals.
5.3 Voice Effects
The microphones offer 5 distinct voice effects:
- Original Voice
- Baby Voice
- Monster Voice
- Female Voice
- Male Voice
Image: Visual representation of the five available voice effects.
5.4 LED Lights
The speaker unit features colorful LED lights that beat with the rhythm of the music. These lights can be turned on or off by long-pressing the 'M' (Mode) button on the speaker.
5.5 Product Video Overview
Video: An overview demonstrating the features and usage of the voijump Mini Karaoke Machine, including its compact size, dual wireless microphones, LED lights, and voice-changing functions.
6. Maintenance
6.1 Cleaning
Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or solvents. Avoid exposing the device to excessive moisture.
6.2 Storage
Store the karaoke machine and microphones in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
6.3 Battery Care
To prolong battery life, fully charge the device before long periods of storage and recharge it at least once every three months.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speaker | Speaker is off; Volume is too low; Not connected via Bluetooth. | Ensure speaker is on; Increase speaker volume; Re-pair Bluetooth device. |
| Microphone not working | Microphone is off; Microphone volume is too low; Not paired with speaker. | Ensure microphone is on; Increase microphone volume; Microphones should auto-pair with speaker when both are on. |
| Bluetooth connection unstable | Device is out of range; Interference; Low battery. | Move device closer to speaker (within 50ft); Avoid obstacles; Charge the device. |
| LED lights not working | Lights are turned off. | Long press the 'M' button on the speaker to toggle LED lights. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | voijump |
| Model Number | K304 |
| Product Dimensions | 12.6 x 5.1 x 9.8 inches |
| Item Weight | 1.17 pounds |
| Power Source | Battery Powered |
| Connectivity Technology | Bluetooth 5.4 |
| Connector Type | TF Card/Headphone, USB Type C |
| Speaker Count | 1 |
| Compatible Devices | Headphone, Laptop, Smartphone, Tablet |
| UPC | 797465845870 |
9. Warranty & Support
voijump is committed to providing quality products and customer satisfaction.
- Warranty: This product comes with a 365-day warranty.
- Replacement: Free replacement is available for eligible issues.
- Technical Support: Lifetime technical support is provided.
For any questions, concerns, or technical assistance, please contact voijump customer support through the retailer's platform or the official voijump website.