My endorsement relies on quite a few decades of listening by means of different audio products given that I have lived which has a Listening to impairment since age 12 (now 62). So I have had quite a few disappointments along the best way. Not with Boostaroo, having said that. https://russellc062ijj9.elbloglibre.com/33933469/boostaro-can-be-fun-for-anyone