... Easy to carry, Small in size, show a clear voice, strong volume, the use of simple and low cost ... easy to carry, Small in size, show a clear voice, strong volume, the use of simple and low cost, ... equipment users.SPECIFICATIONS:1)3.5mm Mic IN and Audio IN jack.2)Power ON/OFF and volume control ... :221g.10)Supplied with headset Mic,3.5mm cable,belt,Optionalrechargeable battery and charger. Voice amplifier