Aike&reg; 3.5mm Surveillance Plug Receiver/Listen Only Audio Earpiece for Two-Way Radio, Transceivers and Radio Speaker Mics Transparent flexible acoustic tube could hardly be detected by people around you and protects you from radiation Soft plastic ear bud fits snugly to ear which keeps your conversation private You can listen to music and the radio. Connect the microphone to call other One spare plastic ear bud included. Compatible for any model radio come with a 3.5mm mono jack