MP3 Decoder Board TF Card Amplifier Decoding Audio Player for Arduino, no soldering required, easy wiring, superior sound quality Onboard 2W mono amplifier (up to 3W power at 5V) is directly connected to the speaker (recommendation 4 3W speakers), and 3.5mm gold plated headphone jack can connect with headphones or external audio sources. A Micro USB port is included. Through the mobile phone data line, a mobile power supply or a USB cable can be used to charge the MP3 battery, as well as a 3.7V lithium battery or a USB 5V power supply, and it supports TF Card (mobile phone memory card) and U disk play mode.

Specifications:

• Power range: 3.7~5.5V
• Product size: 47mm*34mm/18.50*13.38"
• Playback of Mp3 files via Micro-SD 16GB and USB 32GB (only at 5V)
• Voltage: 3.8V - 5.4V
• Connection 3.5mm jack
• Connection of 4 ohms 3-watt speakers
• Push button for playing sound by short or long press, different modes possible
• Support MP3 format, playing power on automatically. When mp3 is played the red LED flashes
• Support U disk (test 32G), TF Card (test 16G) play mode; power on default TF card mode, if the TF card does not exist automatically jump to the U disk mode, and both devices have installed, then you can manually set the play mode.For details

key operating instructions

• Buttons can be adjusted up and down to control songs, volume up and down, pause or play, and mode switching. For details please see the key operating instructions
• Press the menu button to enter the single/all-song play mode. The default mode is the all-song mode when powered up. Pressing the Repeat button can replace the circulating mode
• Key Operating Instructions:
• "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 U disk, TF card mode
• "Repeat" button: "Press" for “single/all song" mode(no long press)

Pinout of the Module:

Package Includes:

1 x MP3 Decoding Board TF Card U Disk Module