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Warranty description for Product 3 packs: (Note: electronics, batteries, and speakers are consumable items and are not included in the 3 packs). If damaged due to non-human factors, one-year free warranty is provided. The cost of repair requires only the buyer to cover the return shipping fees (exchange is available; the shipping costs incurred during the warranty period are borne by the buyer.)

Usage precautions for the microphone:

1. When using the microphone, avoid having it directly facing the speaker. Adjust the volume appropriately for clear sound, which can prevent distortion and feedback noise.
2. During use, do not tug or twist the microphone cable; otherwise, poor contact between the wires may occur.
3. Do not overcharge or overdischarge the host battery for long periods. Charge it promptly when a low battery warning appears, and charge it once every one to two months when not in use during winter or summer breaks.

Product performance specifications:

Output power: 25W
Charging voltage: 12V, 450mA
Host weight: 455g
Microphone direction: single direction
Frequency response: 100Hz–1KHz
Use the power supply; lithium battery, 7.4V (Chinese version, 1800mAh)
Host size: 125mm × 55mm × 87mm
Microphone sensitivity: -5.3±3 dB

MP3 Operation Instructions:

1. Key Functions:
1. Play/Pause: Short press for play/pause while playing, short press to switch to a saved station while receiving radio signals.
2. Pause: Stop. In radio mode, a short press activates auto-search, and stations are automatically saved.
3. Previous track: Short press to play the previous track, long press to reduce volume. In receiving mode, short press to adjust frequency slightly forward, long press to search for stations forward.
4. Next track: Short press to play the next track, long press to increase volume. In radio mode, short press for slight frequency adjustment, long press to search for stations.
5. Conversion: Press briefly to cut off the source (USB/SD/radio/off)
6. Sound effects: A short press triggers the sound effect; a long press (all/single track loop)

II. Product Performance:
1. Automatically detects the insertion of USB flash drive/TF card and plays automatically;
2. Fully compatible with USB 1.1/2.0 flash drives, playing in USB HOSR mode;
3. Supports CARD READER, compatible with SD/MMC cards;
4. MP3 support: MPEG 1, 2, 2.5, LAYER3; bitrate: 1,6Kbps–3,2Kbps;
5. Loop playback (one song/all)
6. 6 super sound effects modes: POP, ROCK, Classic, JAZZ, Bass, Flat;

Usage Instructions:

1. When using the microphone, please confirm whether the battery has sufficient power?
2. When in use, turn the volume knob clockwise. A green power indicator light indicates that the device is turned on. Continue turning the volume knob clockwise to increase the sound volume; conversely, turn it counterclockwise to reduce the voice volume until the device turns off.
3. Connect the microphone to the microphone input port of the speaker, adjust the position between the microphone and the speaker to an appropriate distance, and adjust the volume knob to achieve better sound amplification.
4. AUX: Audio input port, capable of connecting audio sources with 3.5mm plugs.

Charging Method:

Connect the 1 2V power adapter equipped on this device to the speaker charging port, and it will charge when connected to the mains power. When the battery is charging, the charging indicator light shows red light; when fully charged, the light turns green. The charging time is approximately 4 to 6 hours each time.

Precautions:

1. When the speaker power indicator light turns green, if you continue to use the device, the portable mic will automatically shut down to protect the internal battery.
2. The microphone core should be directed at the mouth, with a distance of approximately 2 centimeters.
3. Charge the device after using the microphone to prepare for next use.

Package List:
1 portable speaker unit
1 microphone
1 power adapter
1 shoulder strap
1 copy of instruction manual
1 copy of warranty card