... , conect 3.5mm stereo audio cable between mini speaker socket "Line in" and other device, cell phone,MP3,MP4,PC,TV ... soonest time 9.LED screen display,Clock ,Alarm function10.The portable mini peaker provide CCC, CE, RoHS, FCC authentifications according to ... ~18KHZ 5.Impedance:4Ω6.3.5mm Stereo Audio Jack(line in jack)7.Built-in 500MAH rechargeable Li-ion battery8 ...