- IDE11 M3 earplugs with ergonomic double-chamber design and 360° micro-ventilation - Adjustable noise reduction between 17 and 35 dB, ideal for sleeping, studying, traveling, and attending concerts - Ultra-lightweight and flexible silicone that adapts to the shape of the ear for maximum comfort - Acoustic technology that enhances voice clarity in 35 dB mode, allowing you to hear important announcements - Includes 7 pairs of interchangeable silicone tips (4 single-layer and 3 double-layer) for a personalized fit - Yellowing-resistant case and washable tips, reduce waste by 87% compared to disposable earplugs - Magnetic carrying case with IPX7 water resistance and crush-proof compartments - Easy to put on and adjust in just 3 seconds, with a secure fit and noise reduction of over 35 dB - Recommended for people with light sleep, auditory sensitivity, tinnitus, or allergies - Perfect for frequent travelers, office workers, and daily use in noisy environments