SIGN / accessory of mobile phone

Everybody knows that mobile phones are so dangerous that leads to cancer. You want to keep away from mobile phones even that you don’t give up it, “SIGN” can help you. SIGN warn you with sound and pulse, at the same time you can see the caller ID info on built-in display. So you don’t need to carry your phone on your body.
With Bluetooth technology you can protect yourself from cellphones radiations. It’s also help people who never heard calls. With this product they can always notice callers.
It can be carried different ways for adapting everyone. Pin for constrict to cloths. Cord for coiling up as a watch.