1. Material: Protein Leather/Lambskin/Gel, Sponge 2. Features: close to the ear, good sound insulation, non-slip, elastic, breathable and comfortable 3. Process: high-frequency heat-pressing edge sealing 4. Built-in rebound sponge, isolate the external environment, comfortable to wear 5. Made of high-quality protein leather, the leather is softer and lighter 6. Knob type installation, easy to operate 7. According to the human body acoustic design, 360-degree ear wrapping, good sound insulation effect
