A waterproof portable electronic device without a connecting hole, comprising:
a portable main body, the portable main body being completely sealed and not having any exterior connecting hole,
the portable main body comprising
a control circuit therein at least one induction coil, the induction coil being disposed in the portable main body and electrically connected with the control circuit,
wherein
the portable main body is a mobile phone.
Text extracted from US-20140378192-A1

Vocabulary

phone
waterproof

Structure

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