The 4056h charging chip uses TSMC's research and development of the seven-nanometer manufacturing process. 00u processor, although the power of this processor is not very strong, but it is very power-saving, and will not heat, the key is that the price is also very cheap, in addition, it has a built-in 4065,16 MA battery, support 40w fast charging, about 50 minutes to be fully charged.