The Jabra Elite 3 portable Bluetooth wireless earphones have a isolating ear-insert design. These iPod/cellphone-centric earphones 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 (IP55) for headphones. Extended 24-month water and dust warranty when model registered using Jabra Sound+ app. Has music player transport, call connect/disconnect, ambient noise/noise cancellation/ on/off, digital voice assistant activation, and Bluetooth volume controls. Has power on/off and Bluetooth pairing alert tones. Has Amazon Alexa built in (Android only), Spotify Tap Playback (Android only) and supports, Apple Siri and Google Assistant digital voice assistants when used with Bluetooth devices that have those capabilities and that, if needed, have the appropriate apps installed. Supports Google Fast Pair (Android only). Has quick charge feature: 10 min of charging will provide 1 hour of playtime. Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. The free Jabra Sound+ app for Apple and Android mobile devices can be used to turn on/off ambient sound monitoring, select tone control presets and graphical EQ adjustment, earphones firmware updating, and to help locate the earphones if they are misplaced. The Elite 3 comes with 3 pairs of ear pieces in various sizes, USB-C connector charging cable, charging cradle/recharger battery/carrying case, Warranty Booklet and is covered by a 12-month parts/12-month labor warranty.