Two Sized Audio Jack There are two sized Audio Jack to choose. 3.5mm(1/4 inch) is suitable for phone to Monster Solo Beats Studio Headphones. The 6.5mm(1/8) Jack can convert the large jack of those more professional device, as the power amplifier, electric sound box, electronic organ, etc. Preminium Quality It is a high-Quality audio extension cable with 5000+ lifespan，which is bend free. The 360-degree jack boasts its easy insertion ,removal and carrying features . You can use it in any place, and don't worry about that the cable is not long enough and hard to use. Unique Design The color design of this red extension stretch cable can bring vitality and passion to you. The design of the cable make your eye brightened. It's worth to mention that its interface cap is 90° L corner design. It can be easily used in a small space, to bring great convenience to you guys.