USB,TF,,LINE IN,FM,RECORD(Support To 16G) Output Power : ... Input : USB,TF,FM,Wired MicUSB,TF up to 16GDimwnsions : 100*50*125mmStandard Configuration : amplifier(inch. waistband),headset mic,recharger,remote controlWith ... a remote control : WAIST BAND RECORD USB MP3 AMPLIFIER (K7500)