Multimedia sports speaker MS -15 1.with micro SD Card useful function; 2.Audio Input, ... Audio Output, 3.5mm stereo plug Multimedia sports speaker MS -15 1.output power:2W 2.Frequency response:150HZ-18KHZ 3 ... /13.5kgs 12.Function Switch: Pause, next/previous,V+, V-, Power on/off,V-out, V-in, USB power, DC cable charge Multimedia sports ...