From ND:
The Phonak Marvel M90 312 (battery version) battery warning sounded after 6 days. Then every half hour for 2 hours at which point the battery died completely…
These hearing aid reviews has been compiled by me, Robert Donnan, with a little help from our 4 main contributors (who are all patients of mine). I’m an independent private ‘hearing aid dispenser’ (HCPC registered). Hopefully, we can help debunk some over-marketing of hearing aids, and give you, the potential hearing aid consumer a better insight into the hearing aid market.