1. Ergonomic design, built-in sponge, not tired after long wear 2. Features: soft and comfortable, strong air permeability, durable, sound insulation and noise reduction 3. Size: Earmuffs: 10x2.5cm 4. Weight: about 20g earmuffs (a pair), about 8g head beam 5. Applicable products: for Beyerdynamic DT990/DT880/DT770 Pro
