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Card-inserted amplifier, mini bee tour guide, public address, teacher's lecture, Bluetooth
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Product 3-year warranty and repair instructions: (Note: Electronic components, batteries, and speakers are consumables and are not covered by the 3-year warranty) If the damage is not caused by human error, the product is covered by a one-year free warranty. For cost-based repairs, the buyer is responsible for the round-trip shipping fees (including replacement and warranty-related shipping).

Amplifier Usage Tips:

1. When using the amplifier, avoid pointing the microphone directly at the speaker, adjust the volume to a suitable level for clarity, which can avoid distortion and feedback howling.
2. Do not pull or twist the microphone cable while using it, or the connection between the wires may easily become poor.
3. Do not overcharge or overdischarge the main battery for a long time. When the low battery warning is given, it should be charged in time. During the vacation, if it is not used, it should be charged once every one to two months.

Product performance parameters:

Output Power: 25W
Charging Voltage: 12V 450mA
The host weight is 455g
Microphone Direction: Mono
Frequency Response: 100Hz-10KHz
Use power supply - Lithium battery 7.4V (Chinese version 1800mAh)
Host size: 125mm×55mm×87mm
Microphone sensitivity -53±3dB

MP3 Operation Instructions:

1. Button Function:
1. Play/Pause: Press the play/pause button briefly to play or pause the music, and to adjust the radio station when in radio mode.
2. Pause: Stop. Press briefly in the radio state to automatically search for channels and automatically save them.
3. Previous Track: Press briefly on the previous track in playback mode to play the previous track, and press and hold to decrease the volume. In radio mode, press briefly to slightly adjust the frequency forward, and press and hold to search for the channel forward.
4. Next track: Short press the next track button in playback mode to play the next track, long press to increase the volume. In radio mode, short press to slightly adjust the frequency, long press to search for the next station.
5. Switch: Press briefly to turn off the audio source (USB/SD/Radio/Off)
6. Sound Effects: Short press for sound effects, long press (for full/single loop playback).

Section Two: Product Performance:
1. Automatically detects and plays U disks/TF cards upon insertion.
2. Completely compatible with USB 1.1/2.0 flash drives, USB HOSR mode playback;
3. Supports CARD READER, compatible with SD/MMC cards.
4. Supports MP3: MPEG 1, 2, 2.5, LAYER 3, Bitrate: 16Kbps-320Kbps;
5. Loop Play (One/All)
6. 6 types of super sound effects modes: POP, ROCK, Classic, JAZZ, Bass, Flat;

Steps to Use:

1. Please confirm whether the battery is fully charged before using the amplifier?
2. When using, turn the volume knob clockwise to turn on the power. The green power indicator light indicates that the machine is turned on. Continue to turn the volume knob clockwise to increase the amplification volume; turn it counterclockwise to decrease the volume of the personal speaker until the machine is turned off.
3. Connect the microphone to the input jack of the amplifier, adjust the position of the microphone and the amplifier to the appropriate distance, and adjust the volume knob to achieve better amplification effects.
4、AUX: Audio Input Port, capable of connecting 3.5mm plug audio sources.

Charging Method:

Connect the 12V power adapter supplied with this machine to the amplifier's charging port to charge. When the battery is charging, the charging indicator light will glow red: when fully charged, the light will glow green. Each charge lasts approximately 4 to 6 hours.

Notes:

1. When the amplifier's power indicator light turns green, if you continue to use this machine, the on-the-go speaker will automatically turn off to protect the internal battery.
2. The microphone diaphragm direction should face the mouth and be about 2 centimeters away.
3. Please charge the amplifier after use to prepare for the next time.

Packing List:
1 x Personal Audio Host
One microphone
1 power adapter
Shoulder strap 1
Instruction manual 1 copy
Warranty Card 1 copy