TF Card U Disk MP3 Format Decoder Board Amplifier Audio Player Module

This is a brand new TF card U disk MP3 format decoder board amplifier audio player module, which features are as follows: Power Range - 3.7 ~ 5.5V Module Size - 45 x 36 mm (Approx) Beautiful double plate design, copper area, stable and reliable Support MP3 format, automatically boot. The red light flashes when mp3 is activated. Support U disk (test 32G), TF card (test 16G) playback mode; open the default TF card mode. If the TF card does not recognize, it will automatically jump to U disk mode, and both devices have been installed, you can manually set the playback mode. More information is in the operating instructions section below. Buttons can be adjusted up and down to control the song, volume (up and down), pause or play, mode switch. For more information, see the "Operating Instructions" section. Press the menu button to enter the single / all songs playback mode, the default power for all songs mode. Press the "Repeat" button to replace the loop mode. Instructions: "Long press" approximate 2S. If using the U disk mode, it is recommended to use the 5V power supply, some U disk does not support 3.7V power supply. Instructions "Previous / Next -" button: "Press" to switch to the previous song, "Long press" Next volume "Next / v + +" button: "Press" to switch to the next song, "long press" volume increases. "P / P / Mode" button: Press "Play / Pause" switch, "long press" is U disk, TF card mode. "Repeat" button: Press the "single / all songs" mode (not long press) ? Included in this sale: 1 TF card U disk MP3 format decoder board amplifier audio player module