Working Voltage: 3.7V
Lithium Battery 600MA or 5V USB Power Supply
PCB Size:34.23 x 22.33 x 1 mm
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.
It's brand new, good quality & high performance.
Package Included: 5 x GPD2846A TF Card 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.