| 摘要 |
<p>A communication device for rock climbers and the like is provided. The communication device comprises an outer casing and a plastic insert mounted within the outer casing. Communication electronics are mounted within the plastic insert. An earbud is connected to the communication electronics and seatable in an opening in the outer casing with the earbud having an easy grab protrusion extending beyond the opening. A retraction mechanism connects the earbud for extending and retracting the earbud into the opening. A releasable closure mechanism is secured to the outer casing for securing the communication device to, and releasing the communication from, an object.</p> |
