MP3 Decoding Module Lossless Power Amplifier o Receiving Decoder Board 3.7‑5.5V

Feature: 1. 2W mono power amplifier (5V power supply up to 3W) is directly connected to speaker (4 Ohm 3W speaker is recommended). 2. The 3.5mm gold‑plated earphone socket can be connected to earphones or external speakers. 3. Micro USB interface, powered by mobile phone data cable, USB charger, 3.7V lithium battery, USB 5V. 4. Support mobile phone internal storage card, U disk playback mode, clear sound quality. 5. MP3 lossless decoder board, built‑in power amplifier, easy to install and remove. Specification: Item Type: MP3 Decoder Material: PCB Power Supply Range: 3.7-5.5V. Package List: 1 x MP3 Decoder