... mini usb fm audio speaker for mp3 phone 1.clear alt&pure woof 2.Connect usb,tf card,phone, ... computer,mp3 3.LCD screen&FM mini speaker for ... new conceptintegral stereo portable mobile music,connecting your mp3, mp4,mobile phone,notebook computer,U disk ... ΩPower supply: DC 5V(Inner+ outer-),USB power rotate connect line(can choice)Line ...