1Pcs TF Card U Disk MP3 Format Decoder Board Mirco USB Port Amplifier Decoding Audio Player Module 37-55V

Description

Features&Benefits:
lSuperior sound quality.Onboard 2Wmonoamplifier(5V power of up to 3W) is directlyconnected to the speaker(recommendation 43Wspeakers),3.5mm gold plated headphone jackcan connect with headphones or external audio.
lWith aMicroUSB port.Through the mobile phone data line can use mobile power supply or the USB cable to charge the MP3 battery,also can use 3.7V lithiumbattery,orUSB 5V power supply.
lSupportTF Card(mobile phone memory card) andU diskplay mode.
lNo soldering with speaker terminals for easy wiring.
lThe module isdesigned to facilitatemodification.
ProductOverview:
1) Support MP3 format, playing power on automatically.When mp3 is played the red LED flashes.
2) 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 please see the key operating instructions.
3) Buttons can be adjusted up and down to control songs,volume up and down, pause or play, mode switching.For details please see the key operating instructions.
4) Press menu button enter the single/all song play mode.The default modeis the all song mode when power up.Pressing the Repeat button can replace the circulating mode.
KeyOperatingInstructions:
"Prev / V--" button: "Press" for switchingprevioussong, "long press" for volume down
"Next/v++" button: "Press" for switchingnextsong, "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)

Note:
1."Long press" approximate 2S. 2 .If you use U disk mode, it is recommended 5V power supply, and some U di

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