... 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 ... ,Acoustic Instruments,Camping and other outdoor EntertainmentAccessories:Headset Microphone : 1 pcRecharger : 1 pcHost Machine ...