Colour:Black USB Rechargeable Mini Ear Hearing Aids Apparatus In Ear Invisible Hearing Aids Assistant Adjustable Tone Sound Amplifier For Deaf Elderly Ear Care Tools Deafness Device Features High quality ABS material delivers comfortable and skin-friendly touch feelings, non-toxic and safe for skin. Ergonomically in-ear design can better suit your ear with perfect comfortable fit, high quality built-in chip will deliver crystal clear sound quality and enhanced noise reduction effect. Built-in rechargeable battery can be directly powered by the supplied charging case, max up to charge your hearing aid device twice, and the LED lights can provide direct and clear indication of working status. Support one button control to allow for easy power on/off and tone adjustment, and three different ear plugs in S/M/L size variations can widely work on different users. The color of the actual item may slightly vary from the images due to different computer screens and display settings.