Let us introduce you to Coloud, the new name in music. Coloud is based on collaborations with the strongest names and symbols in entertainment and merchandizing. We turn brands into sound. Our cords transfer visual life from any music player you choose to plug into. We are in the business of creating function, value, design and quality. We make headphones that endure, enrich and extend your lifelong music experience. A headphone sounds. Coloud makes it show, and more. A Coloud headphone is recognized through its fine-tuned ergonomics, design, graphics and the triangular plug. The plug is our sign of approval saying this products holds high ambitions in quality and style. The Twelve model is a thoroughly tested model proven to work fantastically. It's a one-size-fits all headphone with a neutral sound and a snug fit. The Coloud Twelve you can count on to serve you on a daily basis. ModelTwelve; Driver Unit:40 mm Power Drivers Frequency Range:20 Hz~20001 Hz Impedance:32 ohms 1KHz Sensitivity:120 dB; Max Input Powerspan:100 mW Plug:3.5 mm Coil Cord:1.2 m Sizene size fits all Premium replacement warranty:1 year.