Introduction
Thank you for choosing the Gesnada K68 Portable Karaoke Machine. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and keep it for future reference.

Image: The Gesnada K68 Portable Karaoke Machine, a black rectangular speaker with colorful LED lights on the front, accompanied by two wireless microphones.
Package Contents
Ensure all items are present in the package:
- 1 x Gesnada K68 Karaoke Machine
- 2 x Wireless Microphones
- 1 x Auxiliary Cable
- 1 x Charging Cable for Karaoke Machine (USB-C)
- 1 x User Manual (this document)

Image: A visual representation of the package contents: the main karaoke machine, two wireless microphones, a user manual, an auxiliary cable, and a charging cable.
Setup Instructions
1. Charging the Karaoke Machine
Before first use, fully charge the karaoke machine. Connect the provided USB-C charging cable to the machine's charging port and a suitable USB power adapter (not included). The LED display will indicate charging status.
2. Charging the Wireless Microphones
The wireless microphones automatically charge when placed in their designated slots on top of the karaoke machine. Ensure the machine is powered on or connected to power for microphones to charge.
3. Powering On/Off
Press and hold the power button on the control panel to turn the machine on or off.

Image: A detailed view of the karaoke machine's interface, highlighting the various input ports and control buttons.
Operating Instructions
1. Bluetooth Connection (Bluetooth 5.3)
- Turn on the karaoke machine.
- Activate Bluetooth on your smartphone, tablet, or computer.
- Search for "K68" in your device's Bluetooth settings and select it to pair.
- A confirmation sound will indicate successful pairing.

Image: A user connecting a mobile device to the karaoke machine via Bluetooth, illustrating the ease of wireless setup.
2. Microphone Usage
- Power On/Off: Press and hold the power button on each microphone.
- Volume Adjustment: Use the '+' and '-' buttons on the microphone to adjust its volume.
- Echo Effects: The karaoke machine's control panel has an "ECHO" knob to adjust the echo effect for the microphones.
3. Multiple Playback Methods
The K68 supports various audio sources:
- Micro TF Card: Insert a TF card into the designated slot.
- Flash USB: Insert a USB drive into the USB port.
- AUX Connection: Use the provided auxiliary cable to connect external audio devices.
- HDMI: Connect to a TV via HDMI for a larger display of lyrics (cable not included).

Image: A close-up of the control interface, showing ports for TF card, USB, AUX, and microphone input, along with the LED display.
4. TWS Mode (True Wireless Stereo)
To achieve an immersive stereo experience, you can connect two K68 karaoke machines wirelessly:
- Ensure both K68 machines are powered on and not connected to any other Bluetooth device.
- Press the "TWS" button on one of the machines. It will search for the other machine.
- Once connected, they will function as independent left and right channels.

Image: Two karaoke machines set up for TWS (True Wireless Stereo) mode, enhancing the audio experience for a home theater setup.
5. RGB Dynamic Lighting Effects
The speaker features multiple lighting modes that sync with the music rhythm. Use the dedicated light button on the control panel to cycle through the 9 dazzling lighting effects.

Image: The karaoke machine showcasing its RGB LED lights, with examples of different lighting patterns.
6. Power Bank Functionality
The karaoke machine can act as a power bank to charge your external devices (e.g., smartphones, tablets) via its USB port. This is useful for outdoor events where power outlets are scarce.
Video: A demonstration of the karaoke machine's features, including its power bank functionality, showing how to charge external devices.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the machine and microphones. Do not use liquid cleaners or abrasive materials.
- 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.
Troubleshooting
| Problem | Solution |
|---|---|
| No power | Ensure the device is fully charged. Check the charging cable and adapter. |
| Microphone not working | Ensure microphones are charged and powered on. Check microphone volume. |
| Bluetooth not connecting | Ensure Bluetooth is enabled on both devices. Unpair and re-pair the device. Move closer to the karaoke machine. |
| Sound distortion | Reduce the volume of the machine or microphones. Ensure no obstructions are blocking the speakers. |
| TWS mode not pairing | Ensure both machines are K68 models and are not connected to other Bluetooth devices. Try restarting both units. |
Specifications
- Model: K68
- Output Wattage: 60 Watts (Dual 4-inch full-range speakers)
- Connectivity: Bluetooth 5.3, Micro TF Card, Flash USB, AUX, HDMI
- Battery: Built-in 4500mAh rechargeable Lithium Ion battery
- Battery Life: 6-8 hours (continuous usage)
- Microphones: 2 x Wireless Microphones (rechargeable)
- Dimensions: 19 x 21 x 42 cm
- Weight: 4.04 kg
- Material: Aluminum, Plastic
- Manufacturer: Gesnada

Image: A diagram illustrating the physical dimensions of the karaoke machine and its microphones.
Warranty
Please refer to the product packaging or the official Gesnada website for detailed warranty information. Typically, products come with a manufacturer's warranty covering defects in materials and workmanship for a specified period from the date of purchase.
Support
For technical assistance, troubleshooting, or customer service inquiries, please contact Gesnada customer support through the contact information provided on the product packaging or their official website. Have your model number (K68) and purchase details ready.