MINI Portalbe two row USB cable for charge and audio input 1,Small size can keep in the pocket also can ... Unique form of diamond-cutting design, small mirror can help youcheck your appearance anywhere3,Play MP3 format ... audio earphone4,3.5 stereo audio Cord plug, can be used for ipod/ mp3 player/mp4 player/ ... 3.7V 200mA7,Charger voltage:5V±0.05V8,USB power cord:optional9,Frequency Response:130Hz~22KHz10,S ...