Mobile Flow Device
The mobileFloww device attaches to mobile phones and manufacturers claim that it provides EMR protection.
Recently, a team of scientists conducted a pilot study on the device to see whether using a mobile phone with and without the device caused any changes on average erythrocyte aggregation (AEA) in blood samples.
The authors concluded, 'No statistically significant differences were established meaning that we could not demonstrate any effect of mobile phone radiation on the AEA of peripheral blood, and, thus, as a consequence we could not establish any possible effect of the “mobileFloww” device.'
You can see more details here.