Beyerdynamic Custom One Pro Interactive Headphones - White Customizable Style: easily change color of the headband, ear pads, ear cups plates design, detachable cable... Crazy or Cool ? Style and look! Custom Sound Slider to change the sound anytime (closed, semi open, open design) Variable Noise Reduction, adjust the Sound Slider for deeper bass and block out noises, or adjust to hear just a little outside sound, you design it New Velocity Drivers at 16 ohm, suitable for smart phone, pad, tablets, home audio or pro audio devices Top Quality at an excellent price. Made in Germany. Two year warranty by Beyer dynamic USA