TF Card U-disk MP3 Format Decoder Board Amplifier Decoding Audio Player Module
Item Description
Product features:
Support MP3 format, power on auto play, red LED indicator flashes when playing status.
On-board 2W mono amplifier (5V power supply up to 3W)
Direct speaker connection (recommended with 4Ω 3W speakers), 3.5mm audio port for audio output, can be connected to headphones or external audio.
With Micro USB power supply interface, Type-C interface 2 kinds of interfaces, through the cell phone data cable using mobile power or USB, Type-C charger power supply.
Can also be powered by 3.7V lithium battery.
 
Product parameters:
Interface: Micro USB, Type-C interface
Power supply range: DC 3.7~5.5V
Support MP3 format, power on auto-play, red LED indicator flashes when playing status.
Support U disk, TF card playback mode;
Power on default TF card playback mode, if TF card is not inserted automatically jump to U disk playback mode, if both devices are installed, you can manually set the playback mode, please see the key operation instructions for details.
The key can be used to switch up/down tracks, volume +/volume -, pause/play and mode switch, please refer to the key operation instructions for details.
You can set the "single song/full song" loop by pressing the key, the default full song loop is on, press the "Repeat" key to change the loop mode.
 
Operation instructions:
"Prev/V- -" key: "short press" to switch the "previous" song, "long press" for "volume decrement"
"Next/v+ +" key: "short press" to switch to "next" song, "long press" to "Volume up"
"P/P/Mode" key: "short press" for "play/pause" switch, "long press" for U disk TF card "mode" selection
"Repeat" key: "short press", for "single song / full song" cycle switch (no long press function)
Note: 1:
1. "Long press" time about 2S
2. If you use the U disk playback mode, it is recommended that 5V power supply, some U disk does not support 3.7V power supply.
 
Product list:
1*Module

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3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.

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1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.

2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer.

3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.

4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication

When you satisfied with our product and services please leave us positive feedback.

If a problem occurs, contact us immediately with any email request. Just contact us using the " Ask the seller a question" link on eBay.We will maill bakc within 24hours

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