Mp3 decoder board with amplifier
Power supply range: 3.7 – 5.5V
Onboard 2W mono amplifier (5V power supply up to 3W) can directly connected speakers (recommended with 4?3W speakers), 3.5mm gold-plated headphone jack can be accessed by headphones or external audio.
With Micro USB power supply interface, using mobile bank power or USB charger power supply, can also be used 3.7V lithium battery, USB 5V power supply.
Support TF card (mobile phone memory card), U disk playback mode.
With a speaker terminal without soldering, easy wiring.
Support MP3 format, power automatically play, led status turn to red.