The Tribit FlyBuds C1 Pro BTHA2 portable Bluetooth wireless noise canceling earphones have a isolating ear-insert design. These iPod/cellphone-centric earphones can be used with the noise canceling feature turned on or off, and are intended for use with iPods, iPads, some other cell phones, as well as standard audio devices. The earphones have an inline microphone and inline remote with and integrated volume, music player function, and call connect/disconnect controls. Additional features include either earpiece can be used alone for one ear monitoring of Bluetooth streamed audio and telephone communications. Carrying case/charging cradle has built-in rechargeable battery that the manufacturer claims can be used to add an additional 22 hrs. of play time for a total of 28 hrs. with ANC on or an additional 28 hrs. of play time for a total of 36 hrs. with ANC off. Manufacturer claims water resistance (IPX4). The headphone noise cancellation control setting switches between ANC on, ANC off, and ambient sound monitor (Pass-through) modes by Button control on right earbud; these settings can also be selected using the Tribit app. Has button controls for music player transport, call connect/disconnect, ambient noise/noise cancellation/ on/off, digital voice assistant activation, Bluetooth volume control, and power on/off. Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. Tribit app download for Apple and Android mobile devices can be used to adjust the tonal balance of the earphones using tonal presets, custom EQ, create a custom sound profile by taking a in-app hearing assessment, switch between noise canceling on/off and ambient monitoring, check battery levels, and update firmware. The FlyBuds C1 Pro BTHA2 comes with 6 pairs of ear pieces in various sizes, USB-A to USB-C connector charging cable, charging cradle/recharger battery/carrying case, User Manual and is covered by a 12-month parts/12-month labor warranty.