The Master & Dynamic MW08 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 a 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 30 hrs. of listening time for a total of 42 hrs. Manufacturer claims water resistance of (IPX5) for headphones and (IPX4) for charging case. Free M&D Connect app download for Android and iOS mobile devices adds additional features and software updates. The headphone noise cancellation control default setting switches between ANC on, ANC off, and ambient sound monitor (Pass-through) mode on/off by long pressing Vol +/- on left earbud; the default settings can be customized using the M&D Connect app to select two different levels of ambient sound monitoring and ANC modes. When the automatic pause feature is engaged removing one earbud automatically turns off ANC or ambient modes; the mode will resume again once both earbuds are worn. 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. Headphones pause audio when removed and resume audio when placed back on and can be turned off from the M&D Connect app. Supports unspecified digital voice assistants when used with Bluetooth devices that have those capabilities and that, if needed, have the appropriate apps installed. Has quick charge feature: 15 min of charging will provide 6 hour of playtime. Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. The MW08 comes with 5 pairs of ear pieces in various sizes, USB-C connector charging cable, USB-C to USB-A adapter, charging cradle/recharger battery/carrying case, Canvas carrying pouch, Quick start guide, User Manual. and is covered by a 24-month parts/24-month labor warranty.