Model Number: DT-660
Brand Name: Aier
Key Specifications/Special Features:
Noise reduction silicone earplugs military ear plug with caseFeature of military earplug:1. Hypoallergenic soft silicone material 2. Two tips design with good sound insulation3. Soft surface with excellent comfort 4. NRR-22dB5. Attenuation, shielding unwanted noise, keep the sound of speech6. Excellent noise reduction for long wear
Description of military earplug:
Yellow tip end of earplugs should be inserted only when ambient noise levels are not hazardous and the wearer wants hear-through, capability with instant protection from impulse noise, (i.e, weapons fire or explosive devices warning) noise reduction increases with sound level for impulsive noise such as weapons fire above 110 dB, estimated attenuation ranges from approximately 0-22dB
Green tip end should be inserted when continuous hazardous noise is present and if it is determined that the attenuation reduces the hazardous noise to a safe as determined by a qualified professional, this green tip of earplug provides continuous noise to ambient noises such as aircraft, armored vehicles or machinery
Usages of military earplugs:
1. Airport dock
2. Watching the fireworks
3. Construction site
4. Processing workshop
5. Military
6. Shooting
7. Racing
8. Bustling downtown
By certification [File Integrity]
