Description
USB and SD MP3 Player Module with Audio Amplifier
This module plays MP3 audio from a USB drive or SD card and includes an audio amplifier, a 3.5 mm audio jack and onboard control buttons. The source says headphones can connect to the 3.5 mm jack, or the module can drive a 4 Ω, 3 W speaker.
- Power: 5 V through the micro-USB port or a 3.7 V battery
- Output power: up to 3 W at 5 V, as stated in the listing; actual output depends on the speaker and operating conditions
- SD card capacity: up to 16 GB, according to the listing
- USB drive capacity: up to 32 GB, according to the listing
- Controls: volume up/down, previous/next track, play/pause, repeat on/off and USB/SD mode selection
The listing also says the micro-USB port can charge a battery and transfer data by USB cable. No battery is specified as included.
Keywords: USB MP3 player, SD card audio player, amplifier module, 3.5 mm audio output.
