... 3, Subwoofer 4, 1000 mAh li--ion battery 5, gift speaker speaker---DL-156 portable mini speakerkey Specifications1,material aluminium alloy and ... ,output RMS 3W x 13,frequency range 100HZ--18KHZ 4,speaker unit Φ40mmx2/4Ω 5,S/N ≥75db 6,gift box ...