The solution is to sell the transmitter and/or battery separately, with the earphones using a standardized connector, such as MMCX.
Earphones stay, receiver may get replaced.
Earphones stay, receiver may get replaced.
For example, wind turbine blades are composite components that are too expensive to recycle and wear our much faster than most people realize, so there are vast garbage dumps filled with buried giant wind turbine blades made of petrochemicals.
Most electric vehicles are charged with electricity made from burning carbon (coal & natural gas).
Reusable plastic bags need to be used like 28 times before they have less of an impact than disposable ones. Cotton bags need to be used over 7000 times before they are better than disposable.
Genuine question. Are there any studies on this? And I’m asking about any kind of battery. People toss out used AA and AAAs all the time.