How much does this cost to the nearest dollar?

EXMAX EX-938 Wireless Headset Microphone Audio Tour Guide System for Church Translation Teaching Travel Simultaneous Transmitter 14 Receivers with Black Aluninum Storage Case)
Long-distance range UHF wireless voice acoustic audio transmission system EX-938 wireless tour guide system could transmit voice of person speaking to microphone of transmitter to people wearing earphone of receiver,transmission distance is up to 150 open area). EXMAX EX-938 voice acoustic transmission equipment helps tour groups/speakers/lecturers/minister/pastor to save the throat and deliver words clearly to audience,overcoming background noise & keep social distancing. 11 select-able UHF Channels for multi-group EXMAX EX-938 wireless audio transmission live interpretation system has 11 select-able UHF Channels allowing at

Price is $527.00
Price: $526.99