The Klipsch T5 II True Wireless ANC portable Bluetooth wireless noise canceling earphones have a isolating ear-inset 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 that 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 21 hrs. of listening time for a total of 28 hrs. Manufacturer claims water resistance of (IPX4). The headphone noise cancellation control default setting switches between ANC on, ANC off, and ambient sound monitor (Pass-through) modes by touch control on Left earbud; the default settings can be customized using the Klipsch Connect app. ANC and Ambient sound levels can be adjusted and/or enabled or disabled in app. Has controls for music player transport, call connect/disconnect, noise cancellation and ambient sound on/off, digital voice assistant activation, and Bluetooth volume controls which can be customized using the Klipsch Connect app. Has power on/off, battery level and Bluetooth pairing voice announcements. Has built in Bragi moves feature which allows you to use head gestures to control your device without touching the earbuds and can be customized using Klipsch Connect app. Supports compatible digital voice assistants when used with Bluetooth devices that have those features and that, if needed, have the appropriate apps installed. Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. Klipsch Connect app download for Apple and Android mobile devices can be used to show battery level, adjust the noise cancelling and ambient sound monitoring levels, adjust the headphone's tonal balance, create custom or use pre-made EQ presets, and update the earphone firmware. Supports Dirac HD sound digital audio enhancement and can be turned on/off with Klipsch Connect app. The T5 II True Wireless ANC comes with Six pairs of ear pieces in various sizes, USB-C connector charging cable, charging cradle/recharger battery/carrying case, Manual, Warranty booklet and is covered by a 24-month parts/24-month labor warranty.