注：心拍数の計測には、適度な密着感が必要です。ご自身の胸囲から−15〜−20cm位を目安にご検討ください。
Note: For accurate heart rate measurement, a proper fit is important. We recommend selecting a size approximately 15–20 cm smaller than your actual chest circumference.
注：商品のデザイン、仕様、外観、価格は予告なしに変更される可能性があるため、あらかじめご了承ください
Note: Please note that the product design, specifications, appearance, and price are subject to change without prior notice.
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