noise reduction earplugs

Overview
Noise Reduction: Effectively blocks ambient noise with 20dB NRR rating for improved focus and sleep
Comfortable Design: Soft silicone and sponge material with shark fin shape for secure, ergonomic fit
Multi-Purpose Use: Suitable for sleeping, studying, swimming, and travel noise protection
Replaceable Set: Includes five pairs of earplugs with color options for individual preference

Specifications
Material: Silicone and sponge
Dimensions: 1:1 size ratio (standard earplug dimensions)
Product Dimensions: 1410.13.9cm
Package Weight: 70g per unit
Noise Reduction Rating: 20dB NRR
Colors Available: Black, gray, red, yellow
Packaging: Color box
Washable: Yes

Packing List
silicone earplugs5 pairs
storage case1
(user manual not specified in data)