The LG Tone Free T90Q 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. 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 11 hrs. of listening time for a total of 16 hrs. with ANC On or an additional 20 hrs. of listening time for a total of 29 hrs. with ANC Off, can be recharged via USB cable or with optional wireless charging accessories. Manufacturer claims water resistance of (IPX4) for earphones only. Has UVNano charging case, when earbuds are placed in charging case mfr. claims Ultra Violet lamps built into case helps kill up to 99.9% of bacteria on speaker mesh, and UV cleaning time is ten minutes while charging and case must be connected to power for this feature to work. The earphone noise cancellation control default setting switches between ANC and ambient sound monitor (Pass-through) modes by touch control on either earbud. ANC and Ambient sound levels can also be turned on or off in free LG TONE free app. Ambient sound can be set to Listening mode (monitors all ambient sounds) or conversation mode (monitors ambient sounds in the vocal frequency range). Has music player transport, call connect/disconnect, noise canceling/ambient sound monitoring toggling, and Bluetooth volume controls. Earphones can pause audio when removed from the ears and resume audio when placed back in the ears. Has quick charge feature: 5 min of charging will provide 1 hr. of playtime. Has Plug & Wireless mode that enables you to use the charging case with supplied aux mini-plug or USB data cable to transmit Bluetooth signal to earphones from devices that do not have Bluetooth capabilities. Supports Google fast pair and Microsoft Swift Pair (alternate to traditional Bluetooth pairing methods). Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. The LG TONE Free download for Apple and Android mobile devices also shows the headphone battery level, can be used to adjust the tonal balance of the earphones using tonal presets or user adjustable EQ, enable/disable and customize the touch controls functions, enable/disable the auto pause feature, enable/disable multi-point pairing of any two of up to five Bluetooth source devices, enable/disable support for Google Assistant and Siri voice assistants when used with Bluetooth devices that have those capabilities, enable/disable a low-latency "Game" mode, enable/disable a "Whispering" mode that allows communication by holding the right earbud near your mouth and speaking softly into it, and update the earphone's firmware. The LG TONE Free app also has a "Find My Earbuds" feature that locates your earbuds with a chirping sound while in Bluetooth range. The Tone Free T90Q comes with Three pairs of ear pieces in various sizes, USB-C connector charging/data cable, USB -C connector to Aux/Mini (1/8") cable, charging cradle/recharger battery/carrying case, Simple Owners Manual/Warranty Booklet and is covered by a 12-month parts/12-month labor warranty.