... SD FM remote control with usb, tf card slot to read FM radio, MP3 player,Amplifier Portable Waistband Mini Amplifier with USB/SD FM ... remote control Item No.: GSG-101High lights:Multifunction all in one with Entertainment,Microphone, Amplifier, Loudspeaker,Music play and FM ... timeKeep working in 7-8 hoursFunctionMp3, FM radio, Amplifier, Line-in, loudspeaker ... with USB/SD FM remote control