But it's different now. With the development of science and technology, it is necessary to upgrade the system to meet people's needs.

At present, intelligent fitness equipment is a good development direction, and people's demand for intelligence is increasing. Intelligence can make it easier for people to use various tools to meet individual needs.

As for whether what you said is useful, it mainly depends on personal needs and practical value. Do different market analysis and user demand analysis for different products. If you feel that the price is reasonable and the performance is satisfactory, you can start.

However, it is suggested that it will be better to experience offline entities when starting.