As electronic devices have generally entered our lives, more and more devices need to be charged. In order to solve the problem of having to be equipped with multiple chargers, after four months of soft and hard work, a multi-functional wireless charger we designed last year was already on the market in April. It supports dual charging of mobile phones, arbitrary matching of mobile phone headphones or watches, and foldable charging boards to ensure that charging and watching movies are not wrong, and multiple scenes can be used