Item description from the seller:


A new generation of air pump with better performance:Compared with the Mi Home Air Pump 1S, this pump has optimized details and improved internal structure. It inflates 25% faster to create a more convenient and efficient air-filling experience.
It speeds up by approximately 25% to help you get out of trouble quickly:With a high-power magnetic motor, it can fill up one empty tire in just 8 minutes*. The inflation is more powerful.Inflation speed increased by approximately.