Great Sound Quality -HiFi wireless bluetooth 4.0 with 40mm speaker, and noise reduction technology, talk clearly, best audio performance
Human Body Engineering Technology – Equipped with protein leather earpads, ergonomic design, soft touch and good air permeability.
Special Design – Folding compact portable design for convenient carrying and storage;With music, volume and call control buttons design you can answer calls and control your music;Built-in microphone you can stay connected to your mobile with hands free calling.

As we know, most of the earpad of headset are made of leather or Velour, which are very difficult to clean, however, if not be cleaned for a long time, the earpads will be polluted by the secretions of face, it is horrible for a music fan hearing misic with a dirty and full of bacteria headphone, so we highly recommend to replace the earpads every three to six months.
Compatible with Sony MDR-V150 V250 V300 V100 V200 V400 ZX100 ZX300 headphone.
Inside diameter: 30mm(Approx). Outside diameter: 70mm(Approx).