The Bose in-ear headphones with noise-cancelling provide the ultimate earbud experience. Breakthrough spatial sound for a more immersive listening experience that lets you feel your music better than ever before, regardless of content or source. Bose Immersive Audio takes what you hear out of your head and puts it in front of you so you can hear it as naturally as possible. And CustomTune technology goes one step further by analysing the shape of your ear and adjusting the sound and premium noise-cancelling so that everything sounds exactly as it should. And it's customisable. You get combinations of ear insert and stability band sizes to find the fit. And with up to 6 hours of playtime, you can listen to your favourite songs for as long as you like (up to 4 hours with Immersive Audio). And the included case with charging function holds up to three additional charges. Connect to your devices via the advanced Bluetooth 5.3 and keep track of your paired devices in one place. overview of your paired devices in the Bose Music app. You'll also be guided through setup, you can customise a shortcut and you'll have access to customisable EQ settings.