Monster has introduced its new Butterfly by Vivienne Tam In-Ear Headphones. The result of a collaboration between Monster and fashion designer Vivienne Tam, the Butterfly headphones feature a gold-colored meetal housing and cord, with a butterfly graphic on the outer end of the earbuds. Other features include a variety of eartips in multiple shapes and sizes for a comfortable, secure fit, a cable slider and clip for cord management, and Monster’s…