Active Noise Cancellation (ANC) technology is mainly used in high-end earphones and headphones. The same technology is employed in smartphones, and it allows us to clearly hear the other person’s voice when on a call.
IP, or Ingress Protection, is a globally acknowledged measurement of dust and liquid resistance. The rating ranges from zero to six, with zero indicating no protection at all and six indicating dust type. The second number indicates how water resistant your phone is. The scale ranges from zero to nine, with nine indicating that your phone should be able to handle high pressure and high temperature water jets.