Description
Product name: PU earplugs
Product material: 100% polyurethane
Product appearance: bullet type
Product function: noise reduction and sound insulation
Product size: 2.5*1.4cm
Scope of use: study, sleep, workshop, aircraft and high-speed rail
Product colors: orange, pink, green, blue, yellow, red, black, etc
Function: Sound reduction and noise reduction
Noise reduction rate: the noise reduction decibel value reaches 39db
How to use it: rub the round and plug it into the ears
Product features: isolated noise, soft silicone, soft and skin-friendly
characteristic:
1. Comfortable noise reduction, eliminate interference, decompression and noise reduction, effectively shielding all kinds of noise
2. Strong sound insulation and noise reduction, internal containing micron level pores, providing a strong sound absorption function
Slow rebound in 60 seconds, just the right rebound time, to ensure comf
