3.7V-5V TF Card MP3 Decoder Board

Features:

• Support MP3 play format
• Can play T / SD card, U disk, FM, and external audio source (LineIn), insert the card before play, can also be switched by the Mode button
• Automatically detect whether the headset is inserted, the IO port (Mute) can directly switch external amplifier, no need plug-in transistor
• Use one AD-key port to achieve a variety of key combinations
• There are two sets of AD-key keyboards for you to choose
• Support 3 FM radio chip: RDA5807, BK1080 and RTC6207E
• Supports USB audio mode
• Does not support infrared remote control, USB device mode