1. Material: silicone + sponge + elastomer
2. Washable
3. 3D laminated design
4. Noise reduction rate: 32
5. Use range: noise reduction, sleep, out
6. Small and soft, comfortable to wear, no foreign body feeling
7. Human cochlea structure design, fit the ear, to prevent falling off
8. Size: 21x14mm
9. Weight: 0.1kg

Note: The color of the sponge is shipped randomly.