This is the Standalone USB MP3 Player Decoder Module with a 2W mono amplifier onboard. If you are looking for a device that can directly connect to your headphones or external audio, this is the one that you should try!
Warranty Period: 12 months
Features
Power range: 3.7~5.5V
It is recommended to use a 5V power supply with USB Hard Disc mode because some USB Hard Disc does not support a 3.7V power supply.
Product size: 45mm*36mm
Support Micro SD (mobile phone memory card) and USB Hard Disc play mode
Connect directly with the speaker (recommendation 4 Ω 3W speakers)
Onboard 3.5mm gold plated headphone jack for headphones or external audio
Easy wiring, no soldering with speaker terminals needed.
Support MP3 format, playing power on automatically.
Adjustable up and down button to control songs, volume up and down, pause or play, mode switching.
Key Operating Instructions:
"Prev / V--" button: "Press" for switching the previous song, "long press" for volume down
"Next/v++" button: "Press" for switching next song, "long press" for volume up.
"P / P / Mode" button: "Press" for the "Play/Pause" Switch, "long press" for USB Hard Disc, TF (SD card) card mode.
"Repeat" button: "Press" for “single/all song" mode(no long press)