... 1, portable mini speaker 2, plastic body 3, strong Subwoofer 4, 1000 mAh li--ion battery 5, gift speaker DL-173 portable mini speakerkey Specifications1 ... , material plastic and LED display screen,subwoofer 2,output RMS 3W x 1 3,frequency ... U Flash Disk,FM.Suitable for devices equipped with a 3.5mm audio jack, including cellphones, MP3 players and computers ...