[Cordless & IPX7 ] Adopting Cordless design, there is no need to worry about the power cord affecting use or causing hazards. This wireless electric cleaning brush has high IPX7 waterproof performance and can be used in humid environments, even in sinks for cleaning work. It can be used within 1 meter of water, making it convenient to clean fish pools, swimming pools. Users can use this cleaning brush without worrying about water damage..[Type-C Quick Charge, 90min working time] USB charging, using international standard Type-C charging line, 3- hour quick charge can be used for 90min. This wireless electric cleaning brush uses a high-quality 2500mAh 5C power lithium battery, which has stronger power and longer life..[Intelligent Functions & Security] This cordless electric cleaning brush is equipped with a variety of intelligent features that greatly enhance user convenience and through user-friendly designs such as battery level display, low battery reminder, working gear indication and travel lock. At the same time, this cordless brush has multiple protection features, which makes it better able to cope with a variety of unforeseen circumstances and prolong the life..[2 Adjustable Speeds] Two intensity modes can be switched ly, choose as needed, making it easy to clean different scenes, users can choose ly. First gear 300 rpm, suitable for living room floor, glass, coffee table, car surface cleaning, polishing and others. Second gear 400 rpm, fast cleaning to remove dirt..[7 Replaceable Heads] This cordless electric cleaning brush provides 3 types of brush heads and 4 types of cleaning cloths to meet the cleaning needs of users in different scenarios. As for the detailed usage of the corresponding brush heads and the space used, please refer to the manual and pictures for details.