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Amazon.co.jp: Fitbit Inspire FB412BK-FRCJK Fitness Tracker, Black, L/Small, Fitbit Fitness Tracker, Inspire Ultra Lightweight, 0.7 oz (20 g), Touchscreen Operation, Water Resistant 164.0 ft (50 m), Incoming Calls/SMS/Apps (LINE/Twitter/Facebook ...
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Amazon.com: Fitbit Charge 2 Heart Rate + Fitness Wristband, Plum, Small (US Version) : Sports & Outdoors
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