- Reduce the noise can be reduced NRR: 24dB; SNR: 25dB
- Christmas tree profile design
- Soft string prevents winding, can be worn for a long time
- Detachable design, ear plugs and wires can be separated
- Silicone material, washable reusable
- Soft and comfortable
- Environment friendly
- Good uses for industrial environment, high noise area, anti noise snore , study etc.
3 to 7 days