... certificate 3.Stereo sound, quite clear Minitype speaker with USB cable for laptop ,ipod,iphone *Stereo sound, quite clear ... avaliable * The back of Android little robot with USB hole , slip switch 0ff/oN and TF card ... subtraction; selections, by the heads of - head control .* USB: mini 5P interfaces line in + power * Line out: ... mobile phone,etc. mini music speaker with USB cable for laptop &mobile phone