The Philips Fidelio L3 home/studio-style Bluetooth wireless noise canceling headphones have a closed over ear design. These iPod/cellphone-centric headphones 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 headphones have an inline microphone and inline remote with and integrated volume, music player function, and call connect/disconnect controls. Additional features include that the earcups fold and swivel to flat for ease of carrying and storage. The headphone noise cancellation control setting switches between ANC on, ANC off, and ambient sound monitor (Pass-through) modes by button control on Right earphone; these settings can be customized using the Philips Headphone app to select between five different levels of ambient sound transparency levels and two different ambient modes (transparency and voice). Voice mode emphasizes voices around you. Has two different ANC modes (noise cancellation and adaptive noise cancelation). Adaptive noise cancelation automatically adjusts ANC level based on your environment. Has touch controls for music player transport, call connect/disconnect, volume control and button controls for ANC on /off, /Ambient mode, digital voice assistant activation, and power on/off, Has Power on/off, Bluetooth pairing, battery status, and other voice announcements. Has Quick conversation feature that will pause audio when your hand covers the right earphone and will resume audio when hand is removed. Supports Apple Siri, Amazon Alexa and Google Assistant digital voice assistants when it is used with Bluetooth devices that have those capabilities. Has quick charge feature: 15 min of charging will provide 6 hours of playtime. Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. Free Philips Headphones app download for Apple or Android mobile devices can be used to change the EQ settings between custom or four different presets, show battery level, change various settings such as deactivation the auto pause feature, choose between pausing and not pausing audio when the monitor function is activated, access user manuals and update the earphone's firmware. Supports Google Fast Pair. Has multi-point feature - allows simultaneous connection of two Bluetooth devices. The Fidelio L3 comes with detachable 49-inch long standard audio cable, USB-A to USB-C charging cable, Airplane in flight adapter, Carrying case, Quick Start, Safety Manual/Warranty card and is covered by a 12-month parts/12-month labor warranty.