| 摘要 |
PROBLEM TO BE SOLVED: To accurately operate a speech end key even in the case that a wireless phone is used at a dark place or the like. SOLUTION: This wireless phone having a lighting means to light up operation keys is provided with an acceleration vibration detection means that detects acceleration and vibration of a phone main body, and with a lighting control means to light up at least a speech end key by the lighting means when the acceleration vibration detection means detects an acceleration and vibration of the phone main body. Though the configuration above, when a user detaches the phone main body from its ear to terminate a speech, since the lighting means lights up the speech end key, even if the wireless phone is used at a dark place, the user can accurately operate the speech end key.
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