Design and features:These earphones have an integrated microphone and volume, music player function, and call connect/disconnect controls for use with paired Bluetooth devices. This model is claimed by the manufacturer to be water resistant and comes with three pairs of ear pieces in various sizes, a USB charging cable, and a carrying case.
Sound quality: We found the X7 Plus delivers sound quality that falls in the very good range - it reproduces music and voice very well although it does have some noticeable sonic quirks. The overall sound can best be summarized as reasonably even midrange and treble marred by very boomy bass. Bass (as in bass drums, bass guitars, stand-up bass, etc.) has good impact and goes deep, but is prominent and very boomy. The midrange (voices, guitars, horns, etc.) is fairly even but a bit soft and hazy and somewhat overwhelmed by the bass. The treble (cymbals, the upper range of violins, etc.) is extended, but a bit sizzly (sounds that should have a delicate shimmer have a sound reminiscent of bacon frying) and the upper treble is slightly muted. While the sound has a good sense of liveliness it is closed-in -- sound-wise it is obvious that you have something plugging up your ears.
Comfort: We found that these earphones fit and stay in place with no problem, and once the earhooks are adjusted the fit is very stable even with vigorous head movement. As typical of in-ear models they produce a sense of pressure in the ear canal that might be uncomfortable for some.
