The QuietComfort 20 Acoustic Noise-Cancelling In-Ear Headphones from Bose feature their active noise-cancelling technology with an in-ear headphone design.
Using Bose's TriPort Acoustic drivers to produce a balanced frequency response.
Powered by the built-in rechargeable lithium-ion battery that provides up to 16 hours of noise cancellation per charge.
In-line microphone with remote allows you to take calls and control your iPhone, iPad, or iPod device.