Fiio K11 Desktop DAC and Headphone amplifier Bone Conduction This material fits snugly around

This material fits snugly around the head with less pressure on the ears while keeping out external sounds

As a result of evaluation and improvement of interrelations between principal components analyized by the results of subjective evaluation and data analysis of impulse response that could not be gleaned from frequency response in the past

New Noise Isolation Earbud Tips are made from an exclusive material that improves fitting and increases comfort thanks to reduced pressure in the ear due to a newly designed shape

Yet the sound is natural and balanced

Fiio K11 Desktop DAC and Headphone amplifier Bone Conduction This material fits snugly around