Nelson Régo of Cool Blind Tech describes an ultra-low-cost hearing aid that has been developed by researchers for only one dollar. Nelson Régo tells us about Apple's plan to release the Apple Watch Series 6 and have been granted a patent for it's Apple Watch band that could benefit blind and partially sighted users. For Nelson's tech tip he tells us about a handwashing timer on watchOS 7. From the September 29, 2020 episode.