• 40dB noise reduction: 3-layer structure for effective noise reduction, ideal for studying, sleeping, and concerts. • Smart design: Fin that prevents falling, comfortable for sleeping even on the side. • Wide application: Suitable for sleeping, studying, bathing, traveling, concerts, and more. • Eco-friendly material: Soft silicone, non-toxic and environmentally friendly. • Fit pinna: Design that adapts to the auricle, isolating noise. • Efficient sound insulation: Effectively blocks noise to concentrate. • Reusable: Durable and resistant for long-term hearing protection. • Soft and comfortable: Silicone material for a comfortable wearing experience. • Versatility: For sleeping, traveling, studying, working, and other scenarios.