Design and features:This Bluetooth wireless portable ear-insert model provides 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 Marshmallow+ has an integrated microphone and player function controls. Additional features include - Either earpiece can be used alone for one ear monitoring of Bluetooth streamed audio and telephone communications. Charging/carrying case has built-in rechargeable battery that the manufacturer claims can be used to recharge the earphone batteries for an additional 25hrs. of listening time for a total of 30 hrs. Has touch controls for music player play/pause, call connect/disconnect, next/prev track music player function controls, and digital voice assistant activation. Supports compatible digital voice assistants when used with Bluetooth devices that have those capabilities and that, if needed, have the appropriate apps installed. Headphones pause audio when earbud is removed and resume audio when placed back in ear. Has Low Latency mode for better audio sync while gaming. Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. This model comes with 5 pairs of ear pieces in various sizes and types, USB Micro connector charging cable, charging cradle/recharger battery/carrying case, Instruction manual.
Sound quality:We found the Marshmallow+ delivers sound quality that falls in the good range - it reproduces music and voice reasonably well despite the obvious shortcomings in its sound. bass (as in bass drums, bass guitars, stand-up bass, etc.) has good impact and goes fairly deep, but is a touch boomy. The midrange (voices, guitars, horns, etc.) is a bit thin, etched (a bit more sharply outlined then it should be), congested, and somewhat grainy, and the upper midrange is a bit harsh. The treble (cymbals, the upper range of violins, etc.) is fairly extended but is somewhat prominent and sizzly (sounds that should have a delicate shimmer have a sound reminiscent of bacon frying). The sound also has a good sense of liveliness and is somewhat open--sound-wise it almost seems like you don't have anything plugging up your ears and does a good job of recovering room ambience in the upper midrange, but is so-so otherwise. Neutral to cool character. The overall sound can be summarized as slightly thin, harsh, and somewhat grainy and sizzly.
Comfort and Fit:We found that these earphones as typical of in-ear models they produce a sense of pressure in the ear canal opening might be uncomfortable for some.
Small
Users with small earbowls will probably find that this model stays in place with no problems for casual use; although they will stay in place during fairly vigorous head movements they don't feel particularly secure.
Medium
Users with medium sized ear bowls will probably find that this model stays in place with no problems for casual use, but the earpieces tend to lose their seal during vigorous head movements.
Large
Users with large sized ear bowls will probably find that this model stays in place with no problems for casual use.
The touch controls were erratic - they often did not respond when used on purpose, but incidental contact with them often caused unintentional playing and pausing.
Hitting the stem that hangs out of the ear can knock an earphone lose and cause it to fall out of the ear.
