| 摘要 |
PROBLEM TO BE SOLVED: To provide a cellular phone operation switch having high-quality appearances and high visibility even in a bright or dark place where the cellular phone being used. SOLUTION: This cellular phone operation switch 20 has a transparent key top 21 and a click 24 disposed on the backside of the key top 21 for clicking when the surface side is pressed. In the switch 20, the key top 21 is printed with characters or symbols on the backside and the backside not printed with the characters or symbols is provided with a magic mirror layer 23 for reflecting the light from the front side and transmitting the light from the backside.
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