1. Material: mesh cloth, sponge
2. Features: good sound insulation, anti-skid, good air permeability, and full of elasticity
3. Close fit, not easy to fall off, no destructive noise reduction of the original sound
4. Use skin-friendly material, full ear design, soft and comfortable
5. Soft memory elastic sponge, thin and light to isolate dust, no sound leakage
6. Ergonomic design, comfortable and breathable
7. Weight: about 20g/piece