Design and features:This Bluetooth wireless noise canceling portable ear-insert model provides very good sound and excellent active noise reduction. Its ear plug-like design and electronic noise canceling feature reduce both outside noise and sound leaking out into your environment. The headphones work with or without the noise canceling feature being turned on. You can use the noise-canceling feature without listening to music The earphones The Liberty Air 2 Pro has a volume control plus 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 almost 3 times (to add an additional 19 hrs. of playtime for a total of 26 hrs.) between its own charges, can be recharged via USB cable or with optional Qi compatible wireless charging mat. Soundcore app download for Apple and Android mobile devices adds additional features and software updates. Has four noise cancellation modes that can be selected using the Soundcore app - Travel (emphasis on low frequency noise cancellation), Indoor (emphasis on midrange noise cancellation), Outdoor (emphasis on wide-band noise cancellation), and Custom (noise cancellation frequency range emphasis can be customized by the user using the app). The headphone noise cancellation control default setting switches between noise cancellation on and off, but can be customized using the app to switch between any two of three settings (noise cancellation on, noise cancellation off, and ambient monitoring). The app can be used to switch ambient monitoring between full audio range ambient monitoring or vocal range only ambient monitoring. Any of the noise cancelling or ambient monitoring settings can also be selected using the app. Has touch controls; default settings are play/pause/call answer/end, next track, and noise cancellation on/off. Supports various compatible digital voice assistants when used with Bluetooth connected devices that have those features. Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. Has automatic pause feature - pauses audio when either earphone is taken out of an ear; audio resumes when earbud is placed back in ear. Has quick charge feature: 15 min of charging will provide 3 hr. of playtime. Soundcore app download for Apple and Android mobile devices can be used to adjust the tonal balance of the earphones using tonal presets, custom EQ, or automatic EQ based on a hearing scan of the user, check the earphone for proper fit, switch between noise canceling on/off and ambient monitoring, switch between the various noise canceling modes, switch between ambient monitoring modes, disable the auto pause feature, enable voice prompts, customize the headphone touch control functions (any combination of four functions can be enabled at the same time), check battery levels, and update firmware.. This model comes with Nine pairs of ear pieces in various types and sizes, USB-A to USB-C connector charging cable, charging cradle/recharger battery/carrying case.
Sound quality: We found the Liberty Air 2 Pro 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 and excellent active noise reduction. With the noise cancelling mode engaged and the Soundcore app set with noise cancelling in transport mode, equalizer set to Soundcore Signature (default), and the personalize your earphones sequence not run (default), the bass (as in bass drums, bass guitars, stand-up bass, etc.) goes deep and has good impact but is prominent, boomy and can overwhelm the midrange. The midrange (voices, guitars, horns, etc.) is somewhat thin, somewhat grainy and hazy, and upper midrange sounds a bit edgy. The treble (cymbals, the upper range of violins, etc.) is fairly extended, but is somewhat prominent, smeared and sizzly. The sound is somewhat open sounding; this model does a decent job of recovering room ambience. Good dynamics. Mixed character - warm bass with a coolish midrange (voices, guitars, horns, etc.) and The treble (cymbals, the upper range of violins, etc.). The overall sound can be summarized bassy with a somewhat thin, grainy, and edgy midrange. The Soundcore App tonal presets and EQ adjustments have a noticeable effect on the sound. Faint rushing sound can be heard in quiet environments when there is no audio program to drown it out. Noise Canceling: Excellent noise reduction across the entire frequency range with the low frequencies reduced the most. Orientation changes the noise reduction characteristic - when the noise is coming from the rear a bit more low-frequency and a bit less high-frequency noise can be heard. A faint rushing sound can be heard in very quiet environments when there is no audio program material to mask it.
Comfort: We found that these earphones is a hybrid ear insert/ear bud design - the earpieces seal the ear canals but they don't insert into the ear canals as far as typical ear insert models, and they are supported by ear bowls like a ear bud model rather than the ear canals. Some users with small earbowls may not find them stable enough for even casual use, while others may find that they stay in place with no problem even during fairly vigorous head movements. Users with medium earbowls will probably find they fit fine for casual use and that they stay in place with no problem even during fairly vigorous head movements. Users with large earbowls will probably find that they stay in place with no problem, and that the ear bowl supports make the ear pieces very stable even with fairly vigorous head movement. Incidental contact with the touch controls can cause unintentional volume level changes, playing, pausing, and track skipping.
