Features:_x000D_Support: USB 2.0 and Micro-SD card interface. Support U disk, TF card, playing MP3 files._x000D_Electronic clock and adjustables-LIN can control AUX-input volume_x000D_With FM radio memory function. With digital LED display._x000D_DIY Production: This decoder board can be used for DIY design. It can be used for secondary development and application of other devices, circuits, modules, and is very practical_x000D_Wide Applications: This MP3 decoder board is widely used and is very suitable for audios, controllable player, consumer electronics, industrial applications, toys, gifts, fitness equipment, broadcast systems, etc_x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different light effect_x000D_2.Please allow 1-3cm deviation due to manual measurement_x000D_ _x000D_Description:_x000D_Power Supply: 7-12V_x000D_PCBA Size: Approx. 65 * 29 * 13 mm_x000D_Opening Size: Approx. 67.5 * 24 * 29 mm_x000D_Screen Size: Approx. 30 * 6 mmPackage List:_x000D_1 Set 12V MP3 Decoder Board