Super sound quality, onboard 2W mono power amplifier (5V power
supply up to 3W) directly connected to the speaker (recommended
with 4Ω 3W speaker), 3.5mm gold-plated headphone jack can be
connected to headphones or external audio.
With MicroUSB power supply interface, it can be powered by mobile
power cable or USB charger through mobile phone data cable. It can
also be powered by 3.7V lithium battery and USB 5V.
Support TF card (banking card), U disk playback mode.
With speaker terminals, no soldering is required for easy wiring.
The module design is easy to modify.
1) Support MP3 format, power on auto play, red LED indicator is
updated when playing status.
2) Support U disk (tested 32G), TF card (tested 16G) playback mode;
power-on default TF card mode, if the TF card does not exist
automatically jump to U disk mode, and both devices are installed,
you can manually Set the playback mode. For details, please refer
to the button operation instructions.
3) Press the button to adjust the up and down track switching,
volume +-, pause/play, mode switch, please refer to the button
operation instructions for details.
4) You can set the “Single/Full” loop by pressing the button, power
on the default full loop, press “Repeat” to change the loop mode.
Button operation instructions
“Prev/V--” button: “short press” to switch “previous song” and
“long press” to “volume down”
“Next/v++” button: “short press” to switch “next song” and “long
press” to “volume up”
“P/P/Mode” button: “short press” is “play/pause” switch, “long
press” is U disk, TF card “mode” is selected
“Repeat” button: “short press” for “single/full song” cycle
switching (no long press function)
1. "Long press" time is about 2S
2. If U disk mode is used, 5V power supply is recommended. Some U
disk does not support 3.7V power supply.
Power supply range: 3.7~5.5V
Product size: 45mm*36mm
Exquisite double-layer board design, large area copper, stable and
The anti-static bag is exquisitely packaged to avoid electrostatic
damage during shipment.