How much does this cost to the nearest dollar?

Case of 2 Transmitter 20 Receivers, Retekess T130, Tour Guide System Wireless, Church Translation System, Assisted Listening Devices for Church, School, Factory, Court, Museum
FCC certified. FCC ID Works right out of the box; 164ft clear transmission; rechargeable no batteries needed; and there is no a sound delay from transmition to receiver Audio transmission; you only need to use your own AUX cable to connect the transmitter and some external media devices, such as church listening system,mobile phone,notebook... T130 wireless tour guide system supports 3.5mm earphone and mic; if your headset/mic has 3.5mm headphone plug,you can use it with this Tour guide system is in need of human translation,

Price is $570.00

Price: $569.99