Huawei's children's watch 4x has a very good reputation. Many treasure mothers have started this model for their children, and the function is really good. Many old functions have been upgraded and many practical new functions have been added. Here I will introduce the functions of Huawei children's watch 4x.

First of all, 50m waterproof meets the protection grade requirements of ISO 228 10:20 10 standard. The new model of Huawei children's watch 4X supports 50m waterproof, allowing children to play freely in the water. Children can swim in swimming mode, record swimming time and calories consumed, and each progress can be clearly seen.

2. Changlian Video Call can make video calls with Huawei mobile phones, tablets and smart screens. Mobile phones and tablet systems need EMUI 10. 1 or above, and smart screens need HarmonyOS system 1. 1 or above. Turn on the long-distance communication function, which is only supported by administrator contacts.

Children's watches only support callback when making video calls with tablets and smart screens.

Third, the camera function, the front self-timer 5 million, the side self-timer 8 million. It supports underwater photography or video recording and can be seen anytime and anywhere.

Fourth, the bus card access card function A. Support to simulate the unencrypted access card with the frequency of 13.56MHz on the market. After copying the physical access card information to the children's watch chip, the children's watch can be used as a key;

B, transportation card function OTA upgrade support in June 5438+February 2020, more cities have been launched.

C. Access cards and transportation cards do not support the opening of ios mobile phone administrators;

D watches need to be upgraded to 1.0. 150 and above, and Android smart care needs to be upgraded to 1.0.28.302 and above.

E. For specific instructions on card opening, please refer to the Intelligent Medical Application-User's Guide.

Verb (abbreviation of verb) network function A. Support concurrent positioning of GPS+ Beidou +GL ONASS+GAL. IL EO+QZSS five-mode satellite.

B supports GPS L 1/L5, GALIL EO E 1/E5a and qzsss l1/l.5 dual-frequency positioning.

C Support the positioning of 5,000 large shopping malls, transportation hubs and hospitals in China.

D Children's watches support the three major operators in Chinese mainland (China Mobile, China Unicom and China Telecom).

Sixth, the exercise function supports the detection of medium and high intensity activities through OTA upgrade: record the exercise duration when running, skipping and swimming reach a certain intensity;

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