| 摘要 |
<p>An apparatus and method for enhancing safety (Fig. 1) during usage of a hands-free kit of a cellular telephone, including a boot (206) with a sleeve (214) into which the earphone (134)of a hands-free kit may be inserted, a sound tube (204) acoustically coupled to the boot (206), and an earpiece (202) acoustically coupled to the sound tube (204).</p> |
