Learn Sleep Industry Noise Cancelling Earmuffs Shooting Soundproof Earmuffs(Black)

1. Material: ABS shell, silent sponge
2. Purpose: Shooting, sleeping, industrial noise-proof earmuffs
3. Noise reduction rate: 26
4. SNR: 36
5. NNR: 26
6. Suitable for noise environment: 65dB
7. Cup thickness: 3 mm
8. Color: Black, green
9. Packing: boxed