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US08825119B2 Portable telephone with connection indicator 有权
带连接指示灯的便携式电话

Portable telephone with connection indicator
摘要:
A slave device is charged directly from a cellular phone. The slave device can be charged along with the cellular phone or from the internal battery of the cellular phone. When the slave device is connected, a “click” sound is played through an enunciator of the cellular phone.
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