3-LEVEL VOLUME LIMITER FOR HEARING PROTECTION WITH SAFE VOLUME: Kids headphones adopt exclusive proprietary 3-level volume limiter (75 dB/ 85 dB/ 94 dB) to protect vulnerable and sensitive ears while give parents a piece of mind, not having to constantly monitor the volume. It can effectively protect children of different ages from progressive hearing loss in different environments. (75/ 85 dB in quiet places or 94 dB in noisy surroundings). Two superior speakers provide crystal clear sound BUILT IN MIC: Wired Kids headphones with microphone for hands free talking, let you pick up calls and skip between tracks in playlist without missing a beat FOLDABLE AND STURDY HEADPHONES WIRED: The adjustable headband with memory stainless steel strips gives this corded headphone some impressive flexibility and durability. 4.9 FT/1.5 M premium braided nylon fabric audio cable SHARING JACK: No need for a splitter. Kids can have another wired headphone plug into the sharing jack on the left sid