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FeaturesOrders Fulfilled By Seller to USA will use DHL,normally takes 3-7 business days for delivery.Please provide valid phone #.One transmitter can work with multiple receiversVolume control on each receiverFrequency synthesized PLL circuitry for stable signal transmissionTwo jacks for the microphone and line ensuring variable utilizationApplicationGuided Tour:For tour-guiding eventsFactories, Museums, Tourist Attractions, Cruise Ships,Lectures, Employee & Dealers Training, Hotels and Resorts,etc.Assistive Listening:For all kinds of conferencesCorporate Meetings, Training and Seminars,Governmental AgenciesLanguage Interpretation:For audio and audio-visual teaching applicationsCourtrooms, Educational Institutions, Conferences or Conventions, Houses of Worship, Medical FacilitiesSpecificationFrequency Control: PLL synthesized functionCarrier Frequency: 433MHzModulation Mode: FMFrequency Response: 60Hz-15kHzS/N Ratio: £¾45dB (at 1kHz) Total Harmonic Distortion: £¼1%Transmit Power: ¡Ü10mWInput Level: Virtual Value 500mVTransmitter Power Supply: 2 x 1.5V AA Alkaline Battery(NOT included)Transmitter Playtime: Approx. 12hrsReceiver Power Supply: 2 x 1.5V AA Battery(NOT included)Receiver Playtime: Approx. 25hrsOperating Range: Approx. 50m Package Contents 1x Transmitter 95x Receiver1x Aluninum Alloy Silver Case(HD-12,DaHaoYin,555mmx355mmx210mm)1x Headset microphone95x Earphone1x 3.5mm to6.3mm, Plug 1x3.5 plug conversion cableNotePlease install the battery correctly, the indicator light will not power on if installing batteries wrongly.MIC and AUX on transmitter,please use the correct socket port.AUX is for Audio input and MIC is for microphone input. if mixing up, will get sound distortion
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