Resistance to sweat makes it ideal for use while doing sports.
The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes.
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.
The in-ear device is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. It is inserted in the ear canal itself and blocks out a lot of environmental noise. It has stronger bass tones and is unlikely to fall out of the ear.
These earbuds come with wingtips that can be attached for a more secure fit. Wingtips come in handy for sports and other physical activities. When used correctly, they prevent the earbuds from falling off.
The earbud form is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. For some people it is more comfortable than in-ear form.
The Ingress Protection (IP) rating classifies the degree of protection against dust and water. Higher ratings are better. For example, a device rated IP68 can resist immersion into water for a certain time, specified by the manufacturer.
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.