Working Voltage: 3.7V Lithium Battery 600MA or 5V USB Power Supply Chip:GPD2846A Chip Footprint:SOP16 PCB Size:34.23MM*22.33MM*1MM with 2W Mixed mono With Power supply ,it can play Automaticly With LED indicator Supports MP3 format playback Supports USB audio mode Supports 3 types FM radio chip : RDA5807, BK1080 and RTC6207E. Does not support infrared remote control. Does not support USB device mode
Package Included:
1 x GPD2846A TF Card MP3 Decoder Board 2W Amplifier Module for Arduino