Fetures: * SD/MMC card support, USB flash support，FM radio * MP3/WMA format decoder * Remote control * Volume control * Work with all audio sources with a 3.5mm jack. * li-on Battery inside * Power Led indication and li-on battery charging indication Specifications: * Power Supply: DC 5 Volt(li-lon Battery inside) USB power cord * Output Power: 3w+3w * Driver Unit: 72mm speaker , 4ohms * Frequency...