... ring, Hi-Fi sterio, wireless bluetooth speaker ² 2.Compatiable with iPhone, iPad,and all mobiles with bluetooth device² 3.Support MP3/MP4 player ... distant Max 10 meters² 5.Support bluethooth speakerphone function, and TF card function.² 6.Power: built in Li-battery ,USB charging. u ... pcs/40" container, 8600pcs/20" contatiner Hi-Fi Portable Mini Speaker With fm Radio