Features:- High-Performance Dual Magnetic Circuit Dynamic Driver- 10.2mm PU PEEK Composite Diaphragm- Optional Inline Control & Microphone- High-Density German Makrolon Resin Shell- Silver-Plated Oxygen-Free Copper Wire- 0.78mm 2-Pin Plug- Ergonomics Liquid Silicone Ear Tips- Ergonomics Design with Comfortable Extended Wear- Perfectly Aligned With The H-2019 Target Frequency Response Curve- 3.5mm Gold-Plated Plug & Durable Metal Shell & Splitter- Hi-Res Certification