waistband loudspeaker/microphone TF /SD card or USB for music with mircrophone /reverberation for Yoga,Teaching,conference Item Name:  Waistband loudspeaker/microphone Item No.:   GS-106High lights:Multifunction all in one with Entertainment,Microphone,...

portable waistband amplifier with USB with USB or TF card slot with headset microphone used for yoga,tour guide,teaching Item Name:  Waistband loudspeakerItem No.:   GS-106   High lights:Multifunction all in one with Entertainment,Microphone,...

Portable Waistband Mini Amplifier with USB/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,...

Mini portable voice waistband amplifier with USB/SD with usb, tf card slot to read FM radio, MP3 player,Amplifier function Item Name: Mini portable voice waistband amplifier with USB/SD Item No.:  GS-105 Specification:Multifunction all in one with Entertainment,Microphone,...

waistband portable mini amplifier speaker headset,usb,tf card slot, mp3 ,fm radio,microphone yoga speakers waistband portable mini amplifier speaker Item Name:  GSG-100 Specification:Multifunction all in one with Entertainment,Microphone, Amplifier, Loudspeaker,Music play...

Mini portable voice waistband amplifier with USB/SD with usb, tf card slot to read FM radio, MP3 player,Amplifier function Item Name: Mini portable voice waistband amplifier with USB/SD Item No.:  GS-105 Specification:Multifunction all in one with Entertainment,Microphone,...

powerful good performance waistband amplifier with reverberation of sound with headset microphone used for tour guide,teach powerful good performance waistband amplifier Item:  GS-106 High lights:Multifunction all in one with Entertainment,Microphone, Amplifier,...