Adjustable Headband and Lightweight Design: the wired headphones can let you get a nice fit for your head shape; The plastic adjustable headband is lightweight and easy to carry, let you minimize tiredness, also sturdy and comfortable on the ears, which can stay put and block outside noise Stereo Sound: the kids on ear headphones have high fidelity stereo sound, which benefited from quality audio driver, delivering clear sound with full dynamic range, rich bass and crisp mediant, enjoying deep bass stereo sound feast