high quality Complete Accessoriesthere are complete accessories in the box, along with an instruction manual to make operation easier. If you have any questions, please contact us in time, we have professional customer service can reply for you within 24hours.Unnoticeable AppearancePerfectly designed to fit snugly into the ear canal for a better fit and a natural, nearly invisible appearance. No need to worry about dropping or losing them, and they won't be a burden on your ears even after long time usePortable Charging Box Designthe portable charging case adds convenience by allowing the user to recharge the hearing aids automatically while on the go to minimize the hassle of power outages.Easy to UseFour modes, you can switch different modes according to the use of the environment, very simple, one-handed operation to adjust the volume size and settings.Note: Wearing whistling is a normal phenomenon, adjusted to disappear!Help You to HearThis hearing aids for adults is suitable for mild to severe hearing loss, through the hearing aid, you can re-experience the sound and fun of life, as if you have gained a whole new world of hearing.Superior SoundThis noise-canceling hearing aid has a built-in advanced digital chip that effectively filters out noise and accurately recognizes and enhances the human voice for more precise sound transmission.