There are already plenty of fancy smartphone compatible thermometers that let you monitor your body temperature on your iPhone. The Walnut Thermal is designed with kids in mind. It is a cute wearable thermometer that can be placed on your baby’s chest and links to your phone to send you temperature alerts.
Walnut Thermal is pretty easy to use: simply download its app and pair the device to your phone, put the thermometer on your baby’s chest with adhesive patch, and the rest is easy. The companion app tracks your child’s temperature and gives you real-time fever alerts. The battery lasts up to 365 days.[where to get it]