Welcome to our store. Package Size: 15.2*6.5*15 cm Weight with Packaging: 276g Power Supply: USB 5V Power: 18W Battery Capacity: 2000mA Charging Time: Approximately 4 hours Charging Status: Light flashes while charging, solid light when fully charged On/Off: Long press the button for 2 seconds to turn on, short press to turn off Usage Time: Approximately 30 minutes Suction Power: 1.4Kpa Packing List: Color Box Packaging *1 Instructions *1 USB Micro Cable *1 Pointed Nozzle *1 Hair Brush Nozzle *1 Secondary Filter Mesh *1 Product Features: Cordless and portable, widely used, safe and energy-saving Precautions: 1. If the product cannot be turned on after receiving it, the battery may be low. Please fully charge it before use. 2. The power of the product charger must be DC5V and the current is 1.5A or higher, otherwise, charging will be very slow or difficult to charge. 3. It can be connected to your mobile phone charger for charging. Please check if the charging current of your mobile phone meets the requirements. 4. The product uses a lithium-ion battery, which can be charged at any time (it does not support charging and use at the same time. You do not need to wait until the battery is discharged before charging). Charging it frequently helps to extend battery life. 5. Before disassembling and installing the filter, the product must be turned off. 6. The product must not be used without a filter. It will rotate at high speed during operation, and the entry of debris will damage the impeller. If you have any questions after receiving the product, please contact us.