The AirPods’ bright white casing is a type of ABS, a versatile polymer found in many products in different forms. Acrylonitrile provides stability, butadiene strength, and styrene the glossy finish. The speakers use rare-earth magnets made from neodymium (yes, it’s an element, not a brand name), iron and boron. Also glued into each bud are a tiny CPU, an audio processor, Apple’s W1 chip, and – flanking a cylindrical battery inside the ‘tail’ – the radio aerial.
Out of warranty, Apple charges £49 to swap that Li-ion cell, which, at 93mWh, has just 1% of an iPhone’s capacity. With the earliest AirPods now two years old, this could mean users start to dispose of them, an environmental concern: though classed as electronic waste, they’re all too easy to chuck in…
