SmartEraIn Ear Wireless Earphone Headphone with FM Radio for TV/DVD / VCD / MP3 In Ear Wireless Earphone Headphone with FM Radio for TV / DVD / VCD / MP3 Ideal for TV/PC/DVD/VCD player and other audio devices Transmitter frequency;single frequency transinit/receive Receiving frequency from 87-105Hz,can listen to FM radio Please Note: It can not work on a TV hanging up high on the wall