ST-2025 Karaoke Speaker User Manual

Introduction

This user manual provides comprehensive instructions for the ST-2025 Karaoke Speaker, designed for an enhanced audio and singing experience.

Operating Instructions

Please read all instructions carefully before operating the speaker and follow them:

• Position the speaker away from heat sources (e.g., radiators) and avoid exposure to moisture or water.
• Place the unit on a stable surface to prevent it from falling.
• Connect the speaker only to the power supply described in the operating instructions.
• Do not attempt to repair the speaker unless you are a professional.
• Disconnect the power cable and switch off the unit before cleaning. Use only a soft cloth; avoid harsh abrasives or chemicals that could damage the appearance.
• Unplug the power cable from the outlet and switch off the power when the speaker is left unused for a long period.

Packing List

Speaker Description

The ST-2025 speaker features several ports and controls for versatile functionality:

• Power Switch: Labeled "ON/OFF". When switched to "ON", the speaker powers up and enters the last used play mode.
• Charging Port: Labeled "DC 5.0V", this port is used to charge the built-in battery.
• Audio Input: Labeled "AUX", this port allows connection of external audio devices such as mobile phones, MP3 players, and computers.
• TF Card Slot: Labeled "TF", this slot accepts TF cards for playing music.
• USB Port: Accepts USB flash drives for music playback.
• Next Track Button: Labeled "NEXT" to advance to the next song.
• Pause/Play Button: Labeled "PAUSE/PLAY" to pause or resume music playback.
• Previous Track Button: Labeled "PREVIOUS" to go to the previous song.
• Volume Knob: Labeled "VOLUME". Rotate the knob to the left to decrease volume and to the right to increase volume.
• Mode Button: Labeled "MODE" for switching between different audio input modes: Bluetooth, TF card, USB flash drive, and AUX.
• Original Sound Button: Labeled "ORIG". Pressing this button can switch the music source.
• LED Control: Labeled "LED". Short press to switch the RGB breathing light mode, cycle through light colors, turn off the light, or turn on the breathing light again.

Play Modes:

• LINE Input: Connect your audio equipment to the "LINE" port. The speaker will play music from your connected device.
• MP3 Function (TF Card/USB Disk): Insert a TF card into the "TF" slot or a USB disk into the USB port. The speaker will automatically play music from the inserted media.

Microphone Description

The included wireless microphones feature controls for adjusting sound and echo effects:

• Power Switch: Labeled "ON/OFF". Press and hold to turn the microphone on or off.
• Volume Control: Labeled "VOLUME+/- ". Slide the button up to increase the microphone volume and down to decrease it.
• Echo Control: Labeled "ECH+/- ". Adjust this control to achieve the desired reverb (echo) effect.
• Charging Port: Labeled "DC-5V". Use the provided USB cable to charge the microphone.

Microphone Usage:

• To use the microphone, press and hold its power switch to turn it on. The microphone will automatically connect to the speaker, indicated by a blue light. You can then begin singing.
• Adjust the microphone's "VOL" control for your preferred sound level.
• Use the "ECH" control to fine-tune the echo effect.
• When the blue light on the wireless microphone flashes, it indicates that the microphone's battery is low and requires charging.
• Charge the microphone using the DC-5V USB cable. The indicator light will be red during charging and will turn off once the battery is fully charged.

Instructions For Use

Initial Setup: Upon powering on, the speaker defaults to Bluetooth mode. To connect your device, search for the Bluetooth device name "ST-2025" on your phone or tablet.

Mode Switching:

• The speaker automatically switches to TF card mode when a TF card is inserted.
• It automatically switches to USB mode when a USB flash drive is inserted.
• It automatically switches to LINE mode when a 3.5MM audio cable is connected.
• If both a TF card and a USB flash drive are inserted simultaneously, press the "MODE" button to cycle through and select the desired input mode.

Singing Instruction

Once the speaker is turned on, the wireless microphone connects automatically after its power switch is turned on. You can sing using the microphone in any of the speaker's operating modes. Adjust the speaker's volume to achieve your desired singing effect.

A flashing blue light on the wireless microphone signifies a low battery, indicating that it needs to be charged.

Notes

• For charging, please use a 5V/2A charger. It is recommended not to play music while the device is charging.
• To prevent audio feedback (howling), avoid pointing the microphone directly at the speaker when the microphone is turned on.

Product Parameters

Made in China

FCC Compliance Information

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.