233621 H300 Noise Isolation Wired Overear Foldable Portable Airline Stereo Headphone Super adaptability: whole environment intelligent noise reduction, effectively reduce wind noise, reject noisy outdoor environment. Perfect Sound: with a diameter of 40 mm driver unit and frequency response equalization. Wearing comfort: The adjustable headband and large soft artificial protein leather ear pads , breathable, the same with human skin texture, comfortable. Easy to carry: rotatable and foldable 90 degrees, easy to carry and store.Flat audio cable: Separable flat cable, Minimizing entanglement, easier to use. It has no bluetooth function