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ヘッドセット DISCOVER D312UのPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。DISCOVER D312U 14 ページ。 Telephone headset

damage, short circuit and warranty failure.

2) Disassembling your earphone may damage the earphone and

would be beyond our service warranty.

3) Do not use your earphone in a dusty environment.

4) Please use a clean, soft and dry cloth to clean your earphone.

5) Keep placing the earphone in its original package when not using

it.

6) Do not let your children play with the earphone. They may hurt

themselves or damage the earphone.

7) Do not place the earphone in hot or cold environment, otherwise

it may be temporarily unusable.