Universal replacement coil tube for acoustic tube earpieceIncludes coil tube, mushroom-shaped ear tip,fin earmold and twist-on connectorClear acoustic tube are special ergonomic design,very soft and comfortable,reduce the tiredness of hearingCompatible with for two way radio earpiece of , , , hytera, miland, icom, and morePlease make sure to avoid the product getting wet or use the product in moisture condition. If it stops working, it's because there's moisture inside the tube. Blow the tube to make the moisture out of the tube and the earpiece will work perfectlyColour: Sound tube black, earplugs pinkMaterial: ABSPackage Contents:1 x Radio sound tube earpiece2 x earplugsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.