... advantages of our mini speaker1,it can play music automatic by the support of the following device ... ,etcB,mobile device,such as PC,mp3/mp4 player,Mobile phone,etc2,it has a small size ... supply:DC 5v/Li battery,1000MAH,7--9hours.function:music player/loudspeaker/color:silver,black,ect technical parameter: Output ... ,etc.and our digital products covers from Mp3 player/Mp4 players,to mini speakers,etc.We are ...