The Audio-Technica ATH-SQ1TW 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 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 manufacture claims can be used to add an additional 13 hours of play time for a total of 19.5 hrs. Manufacturer claims water resistance (IPX4). Has touch controls for player play/pause, call connect/disconnect, next/prev track, volume, and low latency and ambient sound modes. Low latency mode reduces sound delay when playing video games or watching videos. Has Bluetooth connection, low battery and power on/ off, hear through on/off, and low latency on/off voice alerts. Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. Supports Google fast pair. The ATH-SQ1TW comes with 4 pairs of ear pieces in various sizes, USB-C connector charging cable, charging cradle/recharger battery/carrying case, Quick Start Guide and is covered by a 12-month parts/12-month labor warranty.