Rechargeable, battery saving. You can change the hearing device anywhere any time. You do not need to buy and replace batteries.
Ease of Use-The volume control knob makes it easy to adjust the volume with one finger. No tools required. Just put it on and you can enjoy a clear conversation immediately.
It weighs only 4.5g, and you won't get tired even if you wear it for a long time. Invisible Designed - The personal sound amplifiers is small , discreet and mini enough to be in invisible in the ear canal.
Soft and Flexible-The ultra-soft and flexible ear dome with a special oval design and high quality medical material fits your ears comfortably with little feedback.