Features: 100%Brandnewandhighquality. Offergoodaudioquality. Thissystemisperfectformeetingsspeechesconferencekaraokechurchetc. Lightweightminisizeandportable. Easytocarry. Specifications: Modulation:FM Frequencyresponse:80-12500Hz Effectivedistance:20m/65.6ft Outputimpedance:600ohm TransmitterPower:1x6F229Vbattery(batterynotinclude) Receiverpower:1xAAA1.5battery(batterynotinclude) Transmittersize:95mmx60mmx22mm Receiversize:220mmx44mmx18mm Color:Black Packageincludes: 1xMicrophoneTransmitter 1xWirelessReceiver 1xClip-onMicrophone 1xProtectivesleeve(forClip-onMicrophone)