Red rice note9 supports smart leather case. The Hall sensor of Red Rice note9 mobile phone is a magnetic field sensor, which is located on the left side of the handset of the mobile phone screen to adapt to the smart leather case. The Hall sensor in Redmi is Xiaomi's smart holster. The principle of Hall sensor is that smart holster can be used. When the holster is opened, the phone automatically lights up, and when it is closed, the phone automatically turns black. This is the Hall switch.

Characteristics of red rice note9

It is equipped with HPB technology, defragmentation, anti-aging, MiTurbo, system-level Caton optimization and heat dissipation. There are seven temperature sensors all over the fuselage, which can sensitively sense the heat source. After 654.38+ million times of temperature test data accumulation, it can quickly match the optimal heat dissipation scheme and intelligently and efficiently control the temperature.

In terms of sound effects, the upper and lower superlinear speakers are loud and have a wide range, which can construct a three-dimensional grand sound field for you. Playing games and watching movies seem to be all in it. In terms of feel, when you play games, different lenses and different guns can give you different time vibrations and give you the vibrations of e-sports 4D games. The crisp vibration when typing is like a mechanical keyboard.