1.with usb/sd card input 2.with a 5"inch speaker 3.support remote control. 4.for car and home

1.with usb/sd card input2.with a 5"inch  speaker3.support remote control.4.for car and home

5.usb/sd card audio to carry/round shape with big power amplifier

5"inch tunnel shape Big power car subwoofer speaker 12v/220v use