| 摘要 |
PROBLEM TO BE SOLVED: To provide a wireless audio system capable of easily confirming the remaining battery power of the entire wireless audio system. SOLUTION: A receiving unit 30 measures its own remaining battery power and transmits the measurement value to a transmitting unit 20, and the transmitting unit 20 measures its own remaining battery power and displays remaining battery power information in a remaining battery power indicator 24 on the basis of the measurement value and the received measurement value. COPYRIGHT: (C)2009,JPO&INPIT
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