1.support micro sd card (FT card) memory play 2.can play the usd music directly 3.FM radio with double antenna 1) support micro sd card(TF card)2) can play the sub music directly3) FM radio with double antenna4)diigital screen can display working state5)can connect with TV,cell phone,mp3 ipod iphone as speaker6)mini aluminum casing speaker series7)exchanged battery8)it can show charging status9) ...