Design and features:This Bluetooth wireless portable ear-insert model provides very good sound. Although it lacks active noise reduction, the ear plug-like design helps to reduce both outside noise and sound leaking out into your environment. The WI-C100 has a volume control plus an integrated microphone and player function controls. Additional features include - The earphones have an inline microphone and inline remote with and integrated volume, music player function, and call connect/disconnect controls. Manufacturer claims water resistance (IPX4). Free Sony Headphones Connect app download for Apple and Android mobile devices adds additional features and software updates. Has music player transport, call connect/disconnect, digital voice assistant activation, and Bluetooth volume controls on in-line remote. Supports Google Assistant, and Apple Siri voice commands when used with mobile devices that have those features. Has quick charge feature: 10 min of earphone charging will provide 1hr. of playtime. Earbuds are compatible with Sony's 360 Reality Audio virtual surround sound on several streaming services (Deezer, Tidal, Nugs.net). Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. Free Sony Headphones Connect app download for Apple and Android mobile devices can act as a audio program player and can provide tonal balance presets and equalization, disable the voice announcements, and update the earphone's firmware. This model comes with Portable Bluetooth wireless isolating ear-insert earphones that come with 3 pairs of ear pieces in various sizes, Reference guide and Warranty card.
Sound quality:We found the WI-C100 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. With the Sony Headphones Connect app set with the Equalizer off and clear bass set to 0 (as received state of the earphone) the bass (as in bass drums, bass guitars, stand-up bass, etc.) has good impact and goes deep, but is a bit prominent and boomy. The midrange (voices, guitars, horns, etc.) is even, but is somewhat grainy, hazy, and congested (think sonic traffic jam). The treble (cymbals, the upper range of violins, etc.) is extended, but a bit subdued and smeared, and a touch sizzly (sounds that should have a delicate shimmer have a sound reminiscent of bacon frying). While the sound has a decent sense of liveliness, it is somewhat closed (sound-wise it's fairly obvious you have something plugging your ears), does a decent job of recovering room ambience. Warmish character. The overall sound can best be summarized as somewhat hazy and grainy, and a bit bassy. The Sony Headphones Connect app EQ controls had a noticeable effect on the sound.
Comfort and Fit:As typical of in-ear models they produce a sense of pressure in the ear canal opening that might be uncomfortable for some.
Fits and stays in place with no problem for casual use for users with smaller to large sized ear canals.
The sound of the earphone connecting cable rubbing on clothing may be heard through the earphones by some users depending on the clothing it's rubbing on.
