Clear acoustic tube replacement: Perfect transmission sound by air coil tube, like you are there youself; acoustic coil tube could clean by dipping in rubbing acohol. covert acoustic tube walkie talkie earpiece replacement are simple operation: Acoustic tube clear with quick connector, just insert, and adjust position by rotating left and right; Saving your Money, Replacement Coil Tube, Rather Than Buy New Earpiece Coil Audio Tube Replacement Compatible for Motorola/Midland/Baofeng/Kenwood/Yaesu/Icom Two Way Radio Coil Tube Audio kit air tube earbuds: Come with 2pcs mushroom earbuds ear plugs to meet your need, and the ear buds also could use for phone/laptop ect What You Get: 20Pack replacement acoustic tube for two way radio