ITEM NAME:1x GPD2846A TF Card MP3 Decoder Board 2W Amplifier Module for Arduino Blue R9K5 1x GPD2846A TF Card MP3 Decoder Board 2W Amplifier Module for Arduino Blue R9K5 Working Voltage: 3.7V Lithium Battery 600MA or 5V USB Power Supply Chip:GPD2846A Chip Footprint:SOP16 PCB Size:34.23MM*22.33MM*1MM Color: Blue Material: CCL 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: 1x MP3 Decoder Board 2W Amplifier Module for Arduino Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..1x MP3 Decoder Board 2W Amplifier Module for Arduino. with 2W Mixed mono. Supports MP3 format playback. Supports USB audio mode. Color: Blue.