Mp3 Nondestructive Decoder Board Built In Amplifier

Specifications:

1- Super sound quality, onboard 2W mono amplifier (5V power supply up to 3W) directly connected speakers (recommended with 4?3W speakers), 3.5mm gold-plated headphone jack can be accessed by headphones or external audio.
2- With MicroUSB power supply interface, through the mobile phone data cable using mobile power or USB charger power supply, can also be used 3.7V lithium battery, USB 5V power supply.
3- Support TF card (mobile phone memory card), U disk playback mode.
4- Easy to modify the module design.