Features: 1Equipped with three models of ear plugs, users can choose according to the size of the ear hole. 2Eartips domes with sound tube can be clipped to the right length according to the length of the user's ear. 3The accessory helps to hear sounds more clearly, easy and convenient to use. 4High quality silicone material manufacturing ensuring maximum durability. 5Suitable for box type behind the ear hearing aid, wonderful replacement accessory. Condition: 100% New Item Type: Hearing Aid Accessories Material: Silicone Scope of Application: Box type behind the ear hearing aid Usage: 1. Cut the excess tube along the red line 2. Insert the tube into the ear hook 3. Gently open the battery cover 4. Plug the new battery into the lid and start working 5. Adjust NH and volume control to the appropriate position 6. Insert earplugs into your ears Package Included: 30 x Earplug 10 x Eartips Domes + Sound Tube