Spektrum USB Interface: AR7200BX AR7300BX<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> USB Interface: AR7200BX， AR7300BX </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41-BBMHayxL.jpg" noproxy>