... and TF,With FM Radio 5.MCU system Professional Multifunction 18W Portable Voice Amplifier With Headset Microphone V- ... hours*Battery Indicator on top panel*Choice of usage: belt chip, neck hanging & waist band Specifications*Max output: ... Hanging belt x 1pc Applications Teaching, Tour guiding, Morning exercise, Training, Sports, Speech,Publication,Outdoor entertainment 2012 Professional Multifunction ...