TECKNET Ear Plugs for Sleep Noise Cancelling, 3 Relief Modes, 20dB Soft and Reusable Silicone Earplugs Hearing Protection, Focus, Travel, Socializing, Festivals，White

【3-Level Adjustable Noise Reduction – Instant Quiet with a Twist】Switch effortlessly between three modes using the innovative manual dial—no batteries needed. Choose Light Reduction for conversations, Comfort Reduction for daily use, or Deep Reduction to block up to 20dB of noise. Perfect for studying, traveling, or working in loud environments. 【Advanced 20dB Passive Noise Blocking – No Charging, Ever】Rely on pure physical noise isolation technology with no electronics or batteries. Achieve up to 20dB of noise reduction in high-noise settings like airplanes, construction sites, or offices—ideal for sensitive sleepers, focused learners, and frequent travelers. 【All-Day Comfort with 4 Pairs of Silicone Tips】Designed with a slim body and angled nozzle for a natural, low-pressure fit. Includes four sizes of hypoallergenic silicone tips (S, M, L + a dual-layer pair) to ensure a secure seal and lasting comfort for all ear shapes and sizes. 【Durable Mechanical Dial – Simple, Reliable, Long-Lasting】​The reinforced rotary dial allows precise, intuitive mode changes without complicated buttons or Bluetooth pairing. Made with high-quality ABS+PC and soft silicone, these earplugs are built for day-to-day durability and hassle-free use. 【Versatile Noise Protection for Any Scenario】Whether you're sleeping, commuting, studying, or working in a noisy space, TECKNET Y33 earplugs deliver tailored silence. The dual-layer tips enhance isolation, while standard tips offer breathable comfort. A smart, eco-friendly alternative to electronic ear protection.