“You can’t cremate any kind of electronic device like a cell phone or hearing aid or pacemaker,” says Perman.

不能和手机、助听器、心脏起搏器这样的电子产品,一起火化。

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Unlike two-way, three-way, four-way or so-called "hybrid" armature driver (hearing aid type) earphones, there are no electronic or comb filtering artifacts, no phase issues, and no crossover dropouts.

ENGADGET: Future Sonics debuts Atrio Special Edition professional earphones