... ,fm radio,microphone teaching use yoga speakers Item Name: Teaching waistband amplifier with microphoneItem No.: GS-105Specification:Multifunction ... all in one with Entertainment,Microphone, Amplifier, Loudspeaker,Music play and FM radioSupporting TF Card ... working in 7-8 hours Function Mp3, FM radio, Amplifier, Line-in, loudspeaker, microphone, reverberationColor ChoiceLight greenWeight ...