Experience customized audio and acclaimed noise cancellation with Bose QuietComfort Earbuds II True Wireless Noise Cancelling In-Ear Headphones, featuring pioneering CustomTune sound calibration technology that intelligently personalizes the noise cancellation and sound performance to your ears. These true wireless earbuds represent a revolutionary advance in noise cancellation and deliver lifelike, balanced sound with nuance, clarity, and depth. The simple touch interface provides device-free control of music, calls and noise cancellation levels, including Quiet Mode for maximum noise cancellation and Aware Mode for keeping an ear to your surroundings. Find a secure fit for your ear shape with the included Bose Fit Kit, which contains three sizes of ear tips and stability bands, all made from soft silicone for continuous comfort. Own your uniqueness with the Bose QuietComfort Earbuds II.