IN THE BOX-1 meticulously designed box, 1 handy carry case, 1 pair of earplugs with dual-function noise reduction, 3 pairs of silicone ear tips (S/M/L), 3 pairs of memory foam ear tips (S/M/L), and 1 product user manual. This is a set of stylish and high-quality products. LIGHTWEIGHT AND COMFORTABLE -Reusable ear plugs come with silicone ear tips and memory foam ear tips 3 pairs each in sizes S/M/L.It can accommodate various ear sizes, and eliminate concerns about purchg earplugs only to find out they don't fit. Additionally, our earplugs feature a unique "breathable channel" design that helps maintain ear canal pressure balance and ensures a refreshing and comfortable experience even during extended wear. UNLOCK INFINITE POSSIBILITIES-The 18dB High-Fidelity Mode allows you to experience exceptional sound quality and eliminates noise interference during concerts, music festivals, live events, cinema, plane and motorcycle rides. 33dB Immersive Noise-Canceling Mode keeps you quiet and focused in noisy work environments, studying, reading, sleeping, or traveling. Tip: It is not 100% sound isolation. It is like a sunglass that weakens the light rather than blocking it completely like a sleep mask. LEADING AUDIO REVOLUTION- ROPONE's patented dual-function earplugs break the boundaries of traditional noise cancelling ear plugs. With the rotating sound filter, you can easily switch between 2 noise reduction modes - the 18dB High-Fidelity Mode or the 33dB Immersive Noise-Canceling Mode. By seamlessly combining high-fidelity audio quality with noise-canceling functionality, whether you're a music enthusiast or seeking tranquility, ROPONE will become your perfect companion. PURE SOUND QUALITY - High fidelity ear plugs for concerts utilize special filtering technology to provide you with effective hearing protection while preserving the original sound. It ensures that every note is presented clearly and realistically, allowing you to appreciate the nuances and layers of the music.