1, portable mini speaker 2, metal body 3, Subwoofer 4, 1000 mAh li--ion battery 5, gift speaker speaker---DL-156 portable mini speakerkey ... size W91 x D64x H50mm 7,input DC 5V 8,Li-ion battery 3.7V 1000 mAh/rechargeable 9,support TFcard, U Flash Disk ... ,FM.Suitable for devices equipped with a 3.5mm audio jack, including ...