Weighing only 2.2g each, these earbuds are made of a combination of silicone and ABS materials, making them soft and comfortable to wear. They offer professional noise reduction of 30dB, effectively isolating external noise. Comes with a compact 584223mm storage case for easy portability and storage. Suitable for various scenarios such as sleeping, studying/reading, focusing at work, daily commuting, and traveling, providing quiet noise reduction anytime, anywhere.