1,candy design mini vibration speaker 2,OEM package 3,Color available 4,hot sell deisgn with good sounds Hot selling mini mp3 speaker vibration speaer Specification :Imput DC power :DV 5V±0.5vBuilt-in Li-ion battery :3.7V 600mAhMax output power :5WFrequency Response:80Hz-18KHzSound sourcing : FM radio.TF card, PC, MP3, MP4, MD, CD, DVD player, Mobile phone, etcPackaging details: Box size:40*40* ...