Radiation Proof Improved Call Comfort - Allows Access To Phone Functions When Making Calls - Eliminates Over 99% Absorbed Phone Radiation Compatible with cell phones, smartphones, and tablet device that's equipped with a standard 3.5mm headphone jack This way, you will still feel like you are talking on a modernday phone minus the radiations This item comes with 1 Year Replacement Warranty All Over India. Successful Warranty Claims under the policy will be covered with a replacement of a new product unit.