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. Material: PU leather
4. Weight: about 15g (a pair)
5. Size: about 10.5x10.5cm
6. Applicable products: for Siberia V10/V12/V16/K3