5Pcs MP3 Decoder Player Module

Model: MP3 lossless decoder board - with amplifier

Power supply range: 3.7~5.5V

Features:

1. Super sound quality, onboard 2W mono amplifier (5V power supply can reach up to 3W) directly connected to the speaker (recommended with 4 3W speaker), 3.5mm gold-plated headphone jack can be connected to headphones or external speakers

2. With MicroUSB power supply interface, powered by mobile power or USB charger through mobile phone data cable, 3.7V lithium battery, USB 5V power supply can also be used

3. Support TF card (mobile phone internal memory card), U disk playback mode

4. With speaker terminal, no welding is required, convenient wiring

Instructions for use:

1. Support MP3 format, automatic playback when powered on, and the red LED indicator is updated when playing.

2. Support U disk (tested 32G), TF card (tested 16G) playback mode; power on default TF card mode, if TF card does not exist, automatically jump to U disk mode, and both devices are installed, you can manually set the playback mode, please see the button operation instructions for details.

3. The buttons can be used to adjust the up and down track switching, volume +-, pause/play, mode switching. For details, please see the button operation instructions

4. The button can be used to set the "single/full song" loop. The default full song loop is powered on. Press the "Repeat" button to change the loop mode

Button Description

1. "Prev/V--" button: "Short press" to switch to the "previous" song, "long press" to "volume decrease"

2. "Next/v++" button: "Short press" to switch to the "next" song, "long press" to "volume increase"

3. "P/P/Mode" button: "Short press" to switch to "play/pause", "long press" to select the U disk, TF card "mode"

4. "Repeat" button: "Short press" to switch between "single/full song" loops (no long press function)

Note:

1. The "long press" time is about 2S

2. If using the U disk mode, it is recommended to power it with 5V. Some U disks do not support 3.7V power supply.