[05/31/2020] Withings Steel HR Sport Hybrid智慧手錶，Withings Steel HR Sport Hybrid Smartwatch (40mm) – Activity, Sleep, Fitness and Heart Rate Tracker with Connected GPS, Smart Notifications, Water Resistant with 25-day battery life，瑞士製造，可以記錄行動，步數，防水50公尺，心律監測，GPS，全新，目前特價$139.95 USD。Prime境內免運費 (學生可以免費試用Prime)。哪裡買:amazon。