The QuietComfort 20 Acoustic Noise Cancelling In-Ear Headphones from Bose feature their active noise-cancelling technology with an in-ear headphone design. The headphones are powered by Bose's TriPort Acoustic drivers to produce a balanced frequency response. They are powered by the built-in rechargeable lithium-ion battery that provides up to 16 hours of noise cancellation per charge. The in-line microphone and remote allows you to take calls and control your Android, Blackberry, or Windows phone.
||Noise Cancelling, Noise Reduction, TriPort Technology, Voice Command, USB Charging