The new one should be fully charged and then used. It can't be used while charging. Long press the power on button, then press the second gear button, and then long press the power off button. Charging for 2.5 hoursPlease be noticed :This product is a product produced by an officially authorized subsidiary of Xiaomi, but there is no Xiaomi logo. The store is fully responsible for the safety and quality of this product. If you have any questions, please contact customer service.Description:Product attributesPower cord length; unlimitedRated voltage; 5VRated power; 120Rated frequency; 50HZVacuum cleaner function; dryDust storage type; dust box/dust bucketVacuum cleaner style; car handheldSpecial nozzle type; flat nozzleColor; gray, orange, rose red, blackSuction; 20000paBattery; 5000mAh Specifications:Strong suction and long running time - 20000 rpm small vacuum cleanerhigh-speed brushless motor provides strong cleaning power for up toabout 25-30 minutes, which can quickly and deeply clean almost any smallhard-to-reach places, such as car interiors, sofas, carpets ,furniture, and even your keyboard Cordless Portability- The compact and cordless design of the mini car vacuumcleaner provides greater mobility and convenience, and is easy to carryand store.Unique Design and Practical- The stylish and compact design completelyupgrades the traditional small hand-held vacuum cleaner. Can help youclean dark corners or clean at night. Indicator lights help you knowwhen it's time to charge. The 2-in-1 crevice tool and air hose help youclean more efficiently and carefully.Dual Filtration System- The combination of 20000pa fine steel filter andHEPA filter has a removal efficiency of over 99.7% for particles smallerthan 0.3 microns in diameter.Easy Maintenance- The cordless car vacuum filter and dust cup are removable and reusable, easy to clean. Package Included:1*Charging cable, 1*Instruction manual, 1*Extended nozzle, 1*Brush nozzle, 1*Air nozzle