Description:

●Ultra-strong sound quality, onboard 2W Mono amplifier (5V power up to 3W) direct loudspeaker (recommended with 4Ω 3W horn), 3.5mm gold-plated headphone socket can be connected to headphones or external sound.
●With microUSB power supply interface, through the mobile phone data cable using mobile power supply or USB charger power supply, can also be used 3.7V lithium battery, USB 5V power supply.
●Support TF card (mobile phone internal storage card), USB disk playback mode.
●There is no need for welding with horn terminals to facilitate wiring.
●Module design is easy to modify.
Product Overview:
1) Support MP3 format, power-on automatic playback, playback status when the red LED indicator update.
2) support USB flash drive (tested 32G), TF card (tested 16G) playback mode, power on the default TF card mode, if TF card does not exist to automatically jump to the U disk mode, and both devices have installed, you can manually set the playback mode, details please see the key operation instructions.
3) key can adjust up and down track switch, volume +-, pause/play, mode switch, please see the key operation instructions for details.
4) can press the key to set the "single/Full Song" Loop, power on the default full-curvature cycle, press "Repeat" key to replace the cycle mode
Button Operation Instructions
"prev/v--" key: "Short Press" to toggle "previous" song, "Long Press" to "volume decreasing"
"next/v++" key: "Short Press" for Toggle "Next" song, "Long Press" to "volume increment"
"P/p/mode" key: "Short Press" for "Play/pause" switch, "long press" for USB flash drive, TF card "mode" selection
"Repeat" key: "Short Press", "single/Full" loop switch (no long press function)
Note: 1. "Long press "time approx. 2S
2. If the USB flash drive mode is used, 5V power is recommended, and some USB drives do not support 3.7V power supply.
Power supply range: 3.7~5.5V
Product size: 45mm*36mm