Three layers of soundproof belt strong sound insulation. "Zero" feeling nano-silicone, lightweight and comfortable, no wearing sensation, protects your ears so you can sleep freely on your side and fall asleep quickly.Quiet has never been easier. Construction site noise, downtown hustle and bustle, your partner's snoring, wear these earbuds, you can enjoy a quiet space alone.IPX8 Waterproof. It can be washed repeatedly, reusable, and will not be deformed even if you pull it at will, safe, healthy and hygienic.High quality thoughtful design. Soft nano-silicone material can fit your ears tightly, and the built-in sound-absorbing cotton will distract you from the noise of the outside environment and protect your health.Lightweight and compact enough to carry around. Weighing only 21g, very lightweight and suitable for multiple scenarios, preventing water from entering your ears when swimming, isolating noise for you when studying and working, a thoughtful gift for your friends and family.