Extra piece only. Work with Rechargeable Hearing Amplifier Model UP-6SX. Model UP-6SX come with one unit of hearing aid. Buy this one can use on both ears at the same time.
Earwax protection for durability and reliability. 6-10 hours of continuous use since the last full charge. 4 different sizes of soft silicon ear bud, L,M,S and XS to fit everyone.
Posted by Andy on 30th May 2016
Came on time and is working great so far
Posted by Andrew S Hanis Jr on 21st Dec 2012
These extra hearing aids will allow me to hear better for approximately 14-16 hours a day when I use them with my original ones purchased with the chargers.