Package Included:
2 pcs Mp3 module

Power supply range: 3.7~5.5V.
Product size: 45mm*36mm.

Super sound quality, onboard 2W mono power amplifier (5V power supply up to 3W) directly connected to speakers (recommended with 4Ω 3W speakers), 3.5mm gold-plated headphone socket can be connected to headphones or external speakers.

With Micro USB power supply interface, use power bank or USB charger to supply power through mobile phone data cable, or use 3.7V lithium battery and USB 5V power supply.

Support TF card, U disk play mode. Support U disk (tested 32G), TF card (tested 16G) play mode; power-on default TF card mode, if there is no TF card, it will automatically jump to U disk mode, and both devices are installed, you can manually Set the playback mode, please refer to the button operation instructions for details.

Support MP3 format, automatically play when power on, and the red LED indicator will update when playing. With speaker terminals, no welding is required, which is convenient for wiring.