PRODUCT OVERVIEWPI7 True Wireless In-Ear Headphones is like a pair of bookshelf speakers adapted for True wireless listening. A bi-Amplified 9mm midbass driver and Balance Armature High-Frequency Driver delivers clarity, power, and separation so you can hear your favorite music in all its glory. True high-resolution audio performance with a 24-bit connection between the right and left earbuds for superior sound quality. With Qualcomm aptX Adaptive, PI7 adjusts dynamically and optimizes connection reliability for a great Bowers & Wilkins listening experience.KEY FEATURESRICH, PRISTINE SOUND QUALITY - Featuring Bluetooth 5.0 with Qualcomm aptX Technology, and dual hybrid drivers with individual amplifiers, the B&W PI7 true wireless headphones ensure allow high fidelity 24-bit streaming from your phone, tablet, or computer.Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your earsADVANCED NOISE CANCELLATION - The PI7 features a multi-function button on the left earbud that allows you to choose between three levels (high/low/auto) of adaptive noise cancellation. They are also equipped with four microphones for enhanced call clarityCHARGING CASE WITH MEDIA STREAMING - Comes with a sturdy fast charging case featuring audio retransmisson that allows music streaming by connecting it to a media source with a USB-C cable (included). A 15-min quick charge ensures up to 2 hours of playbackINTUITIVE WEAR SENSORS - The PI7s feature wear detection sensors that put the earphones on standby mode when removed, reconnect them to the last connected Bluetooth device when put back on, pause or resume music when removed or replaced respectivelyCONVENIENT CONTROLS - Each earbud has a touch-sensitive multifunction button that enables playback & phone call control with single (play/pause, answer call), double (skip forward, end call), or triple presses (skip backward). Also enables voice assistant