Mini sound box,TF card music play, Intelligent decoding, can play the music ... , AUX output: Stereo audio output can be used as loudspeaker box for laptop, digital music player, walkman, handle computer and etc ... : headphone output, audio output, FM radio, Data downloaded, DC charging. Product Parameter:Charging voltage: USB 5VOutput power: 2.5WPower of speaker:2 ...