I'm a long-time hearing aid user (since 1974). Won't compare sources, since they very A LOT from country to country. My aids are Oticons, but I suspect that the same aids are sold under different names. Batteries last about a week, plus or minus a day or so - depends on the battery manufacturer and the amount of use. As said previously, make sure that an aid is the right thing to deal with the loss medically, and see an audiologist to get the right one prescribed. There are dongles that connect aids to cell phones and TVs via Bluetooth. I've never had much luck with T-coils. Advice for your elderly friend (sure it's not you, Gnuser?): they take a while to get used to, and are a bit overwhelming at first.
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