5Pcs MP3 Lossless Decoder Board with Power Amplifier Module TF Card Decoding Player

Feature
Onboard 2W mono amplifier (5V power supply up to 3W) can directly connected speakers (recommended with 4Ω3W speakers), 3.5mm gold-plated headphone jack can be accessed by headphones or external audio.
With MicroUSB 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.
1) Support MP3 format, power automatically play, led status turn to red.
2) Support U disk (tested with 32G), TF card (tested with 16G) playing 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 key operation instructions.
Key operation instructions
inchPrev / V–inch key:inchshort pressinch to switch inchPreviousinch song, inchlong pressinch to switch inchvolume downinch
inchNext / v ++inch key:inchshort pressinch to switch inchnext songinch, inchlong pressinch to switch inchvolume increaseinch
inchP / P / Modeinch key:inchshort pressinch to inchplay / pauseinch switch, inchlong pressinch for the U disk, TF card inchmodeinch select
inchRepeatinch key:inchshort pressinch for the inchsingle / full songinch cycle switch (no long press function)
Note
1. Long press time about 2S
2. If you use U disk mode, the recommended 5V power supply, some U disk does not support 3.7V power supply.
Specifications
Power supply range:3.7 – 5.5V
Product size:45mm * 36mm
Package includes
5 x MP3 Lossless Decoder Board