🎶 Hear the Difference, Share the Experience! Connect another headphone effortlessly with the sharing jack. Compact and foldable for on-the-go lifestyles. Easily manage calls and playlists with the built-in mic. Protect sensitive ears with adjustable volume limits. Enjoy superior sound quality with dual speakers. Built-in Microphone Foldable & Portable 3-Level Volume Limiter The SIMOLIO Wired Headphones are designed with a proprietary 3-level volume limiter to protect hearing across all ages, featuring a built-in microphone for hands-free use, a durable and foldable design for easy transport, and a sharing jack for audio sharing. Perfect for travel, school, or everyday use.