Specification:
| Material: | ABS |
| SNR: | 25db |
| NRR: | 23db |
| Headband: | stainless steel |
| Battery: | no |
| FM/AM: | no |
| Bluetooth: | no |
| DAB: | no |
| 3.5mm plug: | no |
| Application: | under loud music, sport event, airplanes, noise situation… etc |
| Function: | sound insulation |
| Color: | yellow, pink, black, blue |
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