| 摘要 |
PURPOSE: A high pitched sound wave umbrella is provided, which can remove a kind of small trouble and secure front and rear view in rainy days. CONSTITUTION: A high pitched sound wave umbrella comprises a storage battery(1) installed inside the umbrella rod; an on/off button(2) for generating high pitched sound wave; a high pitched sound wave speaker(3) firing the high pitched sound wave in dual directions; a rechargeable battery(4) which fits under the umbrella button and is charged; and a radio or MP3(6) built in the umbrella rod top end portion. |
