NEWGOOD Portable Mini Voice Amplifier Loudspeaker Headset Microphone with FM Radio and MIC Megaphone Support MP3 Player TF/SD Card (Pink) Professional voice amplifier,clear and loud voice quality, suitable for teaching, tour guide, shopping mall, outdoor activity and other occasions Fashionable color and only 0.53 pound, imported ABS material with high light technology, very portable to carry Rechargeable 1200mAh 18650 Lithium batteries, last Up to 10 hours of continuous use before needing a charge. Makes its working and standby time longer Has more functions of music player(support TF card/USB disk),FM radio(frequency range is 87.5-108MHZ),one key recording, digital FM station and music choose,1.3inch LED screen display,3.5mm earphone port Voice recording support for sales promotion recycyle playing,Big LED screen show+0-9 digital buttons for songs/radio playing