The Hasbro Hitclips Micro Music System Micro Audio Pen is a multifunctional device that combines the practicality of a pen with the entertainment of a portable music player. It allows you to listen to your favorite tunes on the go, with the included earbud, and also serves as a regular writing instrument. The pen features easy-to-use controls, including a play/stop button and a volume control switch, for a seamless music experience.