Kinglucky K12 Operation Manual

Function Introduction

The following describes the functions and buttons of the K12 handheld audio microphone:

• 1. Volume Down: Short press to decrease volume, long press for the previous song.
• 2. Playback Mode: Manually switch playback modes (Bluetooth, TF card, U disk).
• 3. Microphone Volume Down: Short press to decrease microphone volume, double-click to decrease reverb.
• 4. LED Lighting: Short press to toggle LED lighting effects, long press for 2 seconds to turn off LED lighting.
• 5. Power/Play/Pause: Long press for three seconds to power on/off. Short press to play/pause. Double-click to activate/deactivate couplet mode.
• 6. Original Sound: Short press to turn the original sound on/off.
• 7. Microphone On/Off & Mute: Short press to mute the microphone.
• 8. Microphone Volume Up: Short press to increase microphone volume, double-click to increase reverb.
• 9. Microphone Volume Down: Short press to decrease microphone volume, double-click to decrease reverb.
• 10. Original Sound Cancel/Magic Sound: Short press to cancel the original sound, long press to switch to magic sound.
• 11. Microphone Indicator: Blue light flashes when unconnected. Blue light is solid when connected. Red light is on when charging, and off when fully charged.
• 12. Microphone Type-C Charging Port: Type-C 5V charging interface.
• 13. Headphone Jack: For headphone connection.
• 14. TF Card Slot: Insert TF card with MP3 audio files for playback.
• 15. Audio Type-C Charging Interface: Type-C 5V charging interface.
• 16. USB Socket: Insert USB drive with MP3 audio files for playback.
• 17. Audio Indicator: Blue light flashes when unconnected. Blue light is solid when connected. Red light is on when charging, and off when fully charged.

Specifications

• Output Power: 5W
• Input Signal: 42DB
• Battery: 3.7V high-performance, large-capacity lithium battery
• Charging Voltage: DC5V
• Power Supply Mode: DC charging and built-in battery
• Frequency Range: 90Hz-18KHz

Key Features

• Adopts a high-reduction electroacoustic system.
• Strong sound penetration and wide coverage.
• Super MP3 audio decoding technology.
• Full digital audio processing, clear sound quality, high sensitivity.

Charging Connection Diagram

Connect the device to a power source using the provided USB cable for charging. The device can be charged via a computer USB port or a standard USB power adapter.

Tips:

This product is sold without a power adapter. If using a power adapter for power supply, ensure it has CCC certification and meets standard requirements. Batteries should not be exposed to excessive heat or fire. Replace batteries only with the same type to avoid explosion risks.

Handling of Common Issues

1. No Indicator Light: If the indicator does not light up after turning on, check the power level. Connect the device to a 5V/1A power supply for charging. Charging time is approximately 3-4 hours.
2. No Sound from Microphone: Ensure the device is powered on, the correct mode is selected, and the microphone volume is adjusted appropriately.
3. No Reverb: If there is no reverb effect, check if the reverb switch is off and turn it on.
4. Microphone Noise: If there is noise, it may be due to ambient noise, signal interference, or the microphone being too close to the speaker. Adjust the microphone's direction.
5. Bluetooth Interruption: If Bluetooth playback is interrupted, the connection may be too far, or there may be obstacles. Move closer to the connected mobile device and avoid obstructions.
6. Bluetooth Connection Failure: If Bluetooth cannot connect, check the distance, ensure there are no obstacles, and verify that the device is not connected to another mobile phone. Disconnect other devices and try again.
7. Charging Issues: If the device does not charge, ensure the charger is functioning correctly and that the charging indicator light is on.