【Silicon Earphones with Noise Canceling, Providing a Comfortable Sound Environment with an SNR of 50dB】 ☆ Recommended for students preparing for exams ☆ Snoring ☆ When you want to concentrate ☆ Soundproofing - Model: Noise Canceling Earphones - Material: Silicone - Features: Soundproof, Comfortable, Hygienic - Noise Reduction: SNR 50dB - Design: Three-layer noise-blocking design 【Supervised by Sleep Professionals】 Sleep-Use, Complete Sound Isolation, Only Snoring is Heard, Canceling, Ultra-Comfortable and Reusable Noise Reduction Suitable for Noise Sensitivity, Music Activities, Digital Earplugs, Earplugs for Complete Sound Isolation, Flexible Hearing Protection, Everyday Noise Reduction While Keeping Voices Clear, Silicone, Washable, SNR 50dB Noise Reduction Thank you for viewing.