Product details<br />Shield is a great tool that helps caregiver monitor the body temperature of a fevered person. It consists of a Shield Rubber Band which works as a peripherial for smart devices and a Mobile Application Shield installed on smart devices.<br /> <br />Shield app support iOS devices which are equipped with bluetooth 4.0、 including iPhone 4s、iPhone 5、the new iPad and newer version. Android phones support android system4.3 above and bluetooth 4.0 device like Sumsung Galaxy S3、Google Nexus 4  or above.<br />\