... good penetration.Aluminium magnesium alloy material, professional and fashion appearanceTechnique Data: Output power12WFrequency ... FM radio, Amplifier, Line-in, loudspeaker, microphone, reverberationColor ChoiceLight greenWeight0.5kg ( including battery ) ... Conference,Acoustic Instruments,Camping and other outdoor EntertainmentAccessories:Headset Microphone : 1 pcRecharger : 1 pcHost Machine : 1 ...