セナ50Sです。 一度だけ油断して落としてしまいましたが、幸い目立たない所でした。(写真二枚目) 取り扱い説明書、保証書と箱はありませんが、問題なく動作します。初期設定で音量が小さくなっていたので、スマホのアプリに繋げて音量を上げてください。 写真にはありませんが、その他の機材もしっかりあります。ヘルメットにまだ着けたままです。 よろしくお願いいたします(^_^ゞ

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