Through 3 modes, one can do the recharge, i.e., a universal USB, USB-C type, and the power cord. For setting, one needs to plug the power to the power socket and SmartSanitizer Pro. Then one needs to put the smartphone into the SmartSanitizer Pro and close it. There is a blue light on the device, which indicates that it is working as expected from it. After 10 minutes, the light will go off. It is the indicator that a smartphone is a free form any germ or bacteria.