Description Product Description Like having an entire mic locker in a single package, Bottle Mic Locker is a powerful and flexible creative tool for any recording session. This unique system features Blue's acclaimed Bottle microphone, plus four interchangeable capsules representing the world's most iconic mic sounds. Each of the four capsules, called Bottle Caps, can be quickly swapped during a session, allowing for fast access to a huge palette of recording possibilities for any vocal or instrument type - all without interrupting the creative process.