Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
Resistance to sweat makes it ideal for use while doing sports.
We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes.
Foldable devices are easier to transport and take up less storage space.