Professional Wireless FM Radio Broadcast Tour Guide System.Real digital signal transmission with very stable and clear audio quality.Designed with Stereo and Mono audio output,both AUX line-in and Microphone volume is adjustable.Special Antenna: The noise is <60dB,achieving professional standard.FM Transmitting frequency is adjustable;You can transmit across the whole public FM band.Portable size with Large Digital LCDS screen Display and easy to be carried. | LCD display for transmitter and receiver,channel,volume,very easy to operate.With Earphone for better listening environment;Lock switch to prevent accidental operation;Lanyard can suspends gently around the neck for comfort,slim design and nice looking,Light weight and small size.Expandable & DIY:One transmitter can pair up to Countless receivers.If you have more than one Tour guide or Simultaneous interpreting area you would like to add,just DIY and fulfill your needs. | For Transmitter:(1)Maximum transmission distance is about 80 meters(on open area,no obstacles).(2)Powered by BL-5C 3.7V 1000mAh Li-on battery,4 levels of power output: 0.01mW, 10mW, 100mW, 200mW.(3)3 kinds Broadcasting Modes:(a).3.5mm AUX input: Transmitting music from your smart phone,computer,MP3 or CD player.(b)Mic input: With a lapel microphone,Broadcasting your voice to make speech,teaching,training,traveling,etc.(c)Support TF card(MP3 format): Only support MP3 files. | For Receiver:(1)FM frequency range,No AM.This portable radio adopts digital signal processing technology,using the software programming achieving of wireless radio.(2)5 Station Presets: Manually store five favorite stations,press 1-5 key to quickly select storage station.(3)Mono/stereo select-able,with 24 hour digital clock.Powered by 2 AAA battery(Not Included).30 level volume control,Lock switch to prevent accidental operation.(4)Comes with an ear-in headphone. | EXMAX promise to provide our customers with 24 months warranty from the date of purchase; We are committed to ensuring that you are 100% satisfied. （Please note that we are NOT responsible for wireless headsets FM radio broadcast system bought from other stores except EXMAX, remember to choose the right store before purchasing.）If you have any question, please contact us anytime. You will get more friendly and satisfactory customer service.