Electronic apparatus and electronic system

An electronic system, comprising:

• a first electronic apparatus, including:
• at least one programmable electric conductive unit configured to switch between a good conductor mode and a normal conductor mode according to a control signal when it contacts with a second electronic apparatus, so as to transmit predetermined information to the second electronic apparatus contacting with the first electronic apparatus;
• a control unit configured to generate the control signal having a preset frequency;
• and
• a feedback information receiving unit configured to receive feedback information transmitted from the second electronic apparatus, the feedback information being transmitted in response to reception of the predetermined information;
• the second electronic apparatus, comprising:
• a touch control display unit configured to receive the predetermined information inputted from the first electronic apparatus when it contacts with the first electronic apparatus;
• and
• a control unit configured to generate feedback information according to the predetermined information, and control the touch control display unit to provide the feedback information to the first electronic apparatus.