Sennheiser HD 4.50 BTNC 사용자 매뉴얼
HD 4.50BTNC
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Care and maintenance
Storage and handling
To keep the headphones in good condition and to avoid nicks and scratches, fold
the ear cups inwards towards the headband and store the headphones in the
carry case when not in use or when carrying them around.
the ear cups inwards towards the headband and store the headphones in the
carry case when not in use or when carrying them around.