2 Pcs Mp3 Lossless Decoder Board Mp3 Decoder Module with Power Amplifier

support MP3 format, power automatically play, play the status of the red LED update.support U disk (tested over 32G), TF card (tested 16G) playback mode; power default TF card mode, if the TF card does not exist automatically jump to U disk mode, and both devices are installed, you can manually Set the playback mode, please refer to the keyoperation instructions.button to adjust the up and down track switch, volume + -, pause / play, mode switch,Note:"long press" time about 2SIf you use U disk mode, the proposed 5V power supply, some U disk does not support 3.7V power supply.Product specificationsPower supply range: 3.7 ~ 5.5VProduct Size: 45x 36mmAnti-static bag refined packaging, to avoid damage to the way of delivery static electricity.Material: metal+PCBcolour: blueExquisite double-layer board design, large area copper plating, stable and reliable.Package Contents:2 * mp3 decoding moduleNote: 1. "Long press" time is about 2S2. If you use U disk mode, 5V power supply is recommended, some U disks do not support 3.7V power supply.