TF card U disk MP3 Format decoder board amplifier decoding audio Player module

TF card U disk MP3 Format decoder board amplifier decoding audio player module product description Button Description: "Prev / V--" button: "Press" to switch to the previous song, "long press" to decrease the volume "Next / v + +" button: "Press" to switch the next song, "long press." "P / P / Mode" button: Press "Play / Pause" switch, "long press" is U disk, TF card mode. "Repeat" button: Press "Single / All Song" mode (not long press) Note: 1, "long press" approximate 2S. 2. If you use the U disk mode, it is recommended to use 5V power supply, some U disk does not support 3.7V power supply. specification: Project: decode play module Power range: 3.7 ~ 5. 5V Net weight: 9g Size: approx. 50 × 37 × 14mm / 1.97 × 1.46 × 0.55in.