Bose advertises that the headphones use a technology called "CustomTune Audio" to adapt their sound to the ear canal in which they are placed. In everyday use, you will notice that they emit a short orchestral sound when you put them in your ears. The internal microphones use this tone to calibrate the sound...
Bose QuietComfort Earbuds II
ANC, 6 h, WirelessProduct details
The Bose QuietComfort Earbuds II are elegant, versatile companions that fit seamlessly into your life and everything you do. These wireless earbuds feature groundbreaking CustomTune technology, which customizes noise cancellation and sound specifically for your ears. This allows you to enjoy a deep, immersive audio experience with powerful bass and noise reduction, whether you are at home or on the go.
To ensure that the earbuds remain comfortable and secure throughout the day, the package includes the Bose Fit Kit. This kit contains soft silicone ear tips and stabilizing wings in three different sizes, which can be combined in various ways to ensure the perfect fit. Plus, thanks to their compact, lightweight design, you might almost forget you’re wearing earbuds at all.
With simple touch controls, you can play your music or adjust the noise cancellation level. Phone calls are also crystal clear at any time. Once charged, you can listen to music for up to six hours with the earbuds. The charging case provides three additional charges, allowing for a total playback time of 24 hours. It also features advanced Bluetooth 5.3 and equalizer adjustments via the app. The design is sweat and water-resistant, rated at IPX4.