ANLEON Wireless Audio Transmission and Receiving System Wireless Headset Microphone System for Tour Guide Teaching simultaneous translation interpretation (1 transmitter + 5 receivers)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Long operating range up to 100m </span></li><li><span class="a-list-item"> UHF frequency range with 6 selectable channels </span></li><li><span class="a-list-item"> Power by AA battery </span></li><li><span class="a-list-item"> The quantity of receivers could be increased base on the quantity of audience. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41U1kOje8JL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31OOzkkqqML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31OblUgvj3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/312wiSFSr-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41I-XIuSy6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41i%2Bo8id7JL.jpg" noproxy>