Sound Insulation Earmuffs Economical Nap Sleep Listening Noise Protection Mute Factory Learning Mute Ear Protection Factory Direct Sales

About Product:Imported or not: no brand: other Jixin material: ABS noise reduction rate: 21-26 DB color: red, green function: sound insulation sound proof application scope: Household daily use, factory workshop, household farm work, construction site, mechanical processing, handling cleaning, laboratory, oil field, automobile maintenance, industrial and mining gold Special Services: anti-noise item No.: 0033 series: sound insulation specification: red, green model: 0033 connecting line: Yes