1. 4Layer Noise Cancelling Technology: Advanced sound filtration ring, noise reduction layer, cloud comfort cushion, and deep absorption core combine to block disruptive noise while preserving alarm clocks, voices, and important sounds. 2. 4 Sizes for Universal Fit (XS/S/M/L): Includes interchangeable silicone tips to create a seal in any ear canal, maximizing noise isolation whether side sleeping, flying, or working in loud offices. 3. AllNight Comfort: Hypoallergenic medicalgrade silicone and ergonomic shape prevent ear pain even after 8 hours of continuous wear ideal for light sleepers, shift workers, and frequent travelers. 4. 27dB Noise Reduction Rating (NRR): Scientifically engineered acoustic chambers dampen snoring, traffic, and machinery hum without the 'plugged ear' feeling of foam earplugs. Use scenarios Restful sleep in a noisy environment: wear these to reduce ambient sounds in the bedroom while still perceiving alarm clocks and important voices. Travel and commuting: block cabin noise on planes, trains, or buses and remain aware of announcements and important cues. Loud work settings: reduce background noise in offices, workshops, or factories without sacrificing essential conversations or alerts.