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Portable Lavalier Lapel Collar Clip-on FM Wireless Microphone System Voice Amplifier 1/4in Output Plug with Bodypack Transmitter Mini Mic Receiver for Teacher Lecturer Conference Speech Promotion This FM wireless microphone system completed with body pack transmitter, clip-on lavalier microphone and 1/4" plug wireless receiver, 80~12500Hz frequency response and high sensitivity. Perfect for giving a speech, lecture, conference, promotion, visiting guidance etc. Features: Portable wireless lavalier microphone to effectively amplify stronger sound. 80~12500Hz frequency response, high sensitivity and clear sound quality without hum and crackle noise. Clip-on lavalier microphone and belt pack transmitter design allows you more comfortable and enjoyable during speech. Operating range approx. 20 meters at open area. Microphone cable length up to 100cm/39in, transmitter with volume control and LED indicator, 6.35mm plug wireless receiver. Powered source: 1 * 9V battery for transmitter, and 1 * AA battery for receiver. Easy for operation, great for giving a speech, lecture, conference, promotion, visiting guidance etc. Specifications: Material: Plastic Color: Black Modulation Mode: FM Frequency Response: 80~12500Hz Output Impedance: 600ohm Effective Distance: 20 Meters(At Open Area) Power Supply: 1 * AA & 1 * 9V Battery(Not Included) Operating Voltage: 9V(Transmitter) & 1.5V(Receiver) Cable Length: Approx. 100cm / 39in Receiver Plug: 1/4in Item Weight: 100g / 3.5oz Package List: 1 * Transmitter 1 * Receiver 1 * Lavalier Microphone 1 * User's Manual Note: The battery not included. #VoiceAmplifier #Microphone #portable #LapelCollarMicrophone #TeacherMicrophone #BodypackTransmitterMicrophone #MiniMicReceiver #WirelessmicrophoneSystem #LavalierClipOnMicrophone #FMWirelessMicrophoneSystem