Features： 1、WASHABLE: These ear plugs are washable, so if your ear plugs are dirty, you can wash them with water and then dry them with a cloth or paper towel. 2、HEARING IMPROVEMENT: These double layer ear plugs are more suitable for people with poor hearing and can help improve hearing, especially for those who prefer to use open ear plugs. 3、REDUCE NOISE DISTURBANCE: These earplugs can also effectively reduce noise interference, whether in the day or night can wear it to reduce the interference of urban noise, so you have a quiet world of their own. 4、COMFORTABLE WEAR: The open design of these earplugs allows you to feel more comfortable when wearing them and fit more closely to the curve of your ears, so that your ears do not feel foreign. 5、DETACHABLE: There are 10 ear buds in total, which can be replaced at will, and you can also disassemble them at will, making them easier to use and clean. 6、ANTI STATIC: These earplugs prevent damage to your ears from static electricity, so you can wear them for a long time without letting static electricity damage your ears. Specification： Item Type: Dome for Phonak Material: Silicone Function: Black sound amplifier accessory for Phonak, mainly used for open earplug type sound amplifier. Double layer design, more suitable for people who are slightly hard of hearing Package List： 10 x Sound Amplifier Ear Pieces