S-601 Multi Function Mini Sound Box Certification: CE , FCC, ROHS ... capacity battery , support for long play ;2> line-in function can be connected notebook , Mp3, Mp4, Iphone ;3 ... amplifier ;6> All function in one interface design ;7> Full-function LED instruction ;8> USB high speed transmission ;9 ... the volume), 60 hours with earphone;10> Charge time :USB charge 4 hours (5V , 1A ) , AC transformer ...