As long as more than 7 systems have their own nfc function, you can add friends by touching. As long as you use stepichu social chip, you can easily contact and add friends.

At present, there are two products that can be applied, instap and STEPichu. At present, Ntap only supports pop-ups of contact information. Compared with STEPichu, it supports multi-function and multi-page, touching confession, personal information and various styles of personal information.

Based on nfc of mobile phones, nfc chips are used to transmit data to each other, so as to realize the fields of making friends, entertainment, payment, activities and so on. Ste is based on the price of social chip 50.

The method of realizing that the information page can be popped up by touching the mobile phone;

1, you can buy an nfc product and develop it yourself, but the development is troublesome.

2, you can buy the finished product directly, and the finished product is not expensive, and Stepichu is only tens of dollars.

3. Set up your personal information after purchasing the product.

4. Stick the label on the back of the mobile phone, and others will pop up your WeChat and other information when they touch it.