Bose QuietComfort Ultra Earbuds Bose Fit Kit: 3 pairs of ear tips (small, medium, large) 3 pairs of stability bands (1, 2, 3) Charging case USB-C® (A to C) cable (12") Safety sheet Spatial audio earbuds What you hear is placed just in front of you, so it’s like you’re listening without wearing earbuds. World-class noise cancellation Quiet Mode engages full noise cancellation so you can focus. Aware Mode feels as if you aren’t wearing headphones at all. Everything tailored to you CustomTune tech analyzes your ears, adapts to the shape, and auto-adjusts to personalize the sound and noise cancellation. Comfort and stability for any ear Nine possible combinations of eartip and stability bands (now even easier to swap out) ensure the most comfy and stable fit for your ears. Go ahead, listen longer. The earbuds play for up to 6 hours (up to 4 hours with Immersive Audio)* and the case holds up to 3 additional full charges.**