What do you mean your eardrums need a break? Samsung-owned JBL touts solar-powered wireless headphones you don't need to charge

Birdsong, traffic sounds... Bueller? Bueller?

It's hard, isn't it - plugging in kit? You've got to grab the item in question, find a charger, and then give it a bit of USB-C. Wouldn't it be simpler if your gadgets just magically charged themselves, using the abundant energy provided by the Sun's rays?"