Stereo headphones built into a hat or cap that can be easily attached and detached, and they do not have any arm connecting the ear pieces

摘要

The headphones are built into a hat or cap and adapted to be connected to a standard stereo playback apparatus. The headphones are built into the hat such that they do not have any arm connecting the ear pieces. The loud speaker can be easily attached and detached. A seal may be provided between the material of the hat and the headphone electronics.