... techer,guider,travler Specification:Multifunction all in one with Entertainment,Microphone, Amplifier, Loudspeaker,Music play ... Function Mp3, FM radio, Amplifier, Line-in, loudspeaker, microphone, reverberationColor ChoiceBlackWeight 0.5kg ( including battery ... Conference,Acoustic Instruments,Camping and other outdoor EntertainmentAccessories:Headset Microphone : 1 pcRecharger : 1 pcHost Machine : 1 ...