MP3 Player Decoder Module Board w/ Buttons

Features

• Support MP3 format, automatically play when power
• No soldering with speaker terminals for easy wiring
• Superior sound quality
  Onboard 2W mono amplifier (5V power of up to 3W) is directly connected to the speaker (recommendation 4 Ω 3W speakers), 3.5mm gold plated headphone jack can connect with headphones or external audio
• Support micro SD card (test 32G), TF card (test 16G)
  Power on default TF card mode, if the TF card does not exist, it will automatically jump to the SD card, then you can manually set the play mode.
• Buttons can be adjusted up and down to control songs, volume up and down, pause or play, mode switching.
• Red LED blink when reading files
• Micro USB port power supply
  Mobile phone cable can be used as power supply, also can use 3.7V lithium battery, or USB 5V power supply

Specifications

• Power supply: 3.7V to 5.5V DC
• Product size: 47mm x 34mm

Operating Instructions

* Long Press for 2 seconds

• "Prev / V--" button: "Press" for switching 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 SD card, TF card mode
• "Repeat" button: "Press" for "single/all song" mode (no long press)