ExSilent introduced the QLeaf Pro invisible hearing aid featuring new AirTAP technology that makes it simple to switch between four program settings optimized for different listening environments. The young independent hearing aid manufacturer based in the Netherlands made a splash in 2009 when it introduced ExSilent Q invisible hearing aid, which sits deep within the ear … [Read more...] about ExSilent AirTAP Technology Makes It Easy To Switch Program Settings On New QLeaf Pro Invisible Hearing Aid