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http://technology-tecnologia.890m.com/jieweixin-wireless-bluetooth-smart-hygrometer-thermometer-temperature-humidity-sensor-with-alerts-food-red-wine-storage-humidity-monitor-humidifier-app-for-iphone-ios-android-4-3-or-abo/
Jieweixin® Wireless Bluetooth Smart Hygrometer Thermometer Temperature & Humidity Sensor with Alerts food / red wine storage humidity monitor humidifier APP for iPhone IOS, Android 4.3 or above