About this item 【Flexible Brush Head】 - The swivel head that folds- close to the ground offers easier maneuverability around tough corners and works well to reach- under furniture. 【30 Minutes Long-Lasting Runtime】 - The vacuum cleaner has a maximum runtime of 30 minutes. Build in large batteries(2000mAh) that are lightweight, long shelf life, high energy capacity, and charge quickly. It can support most 100㎡ at a time. Meanwhile it provides with over voltage, over current, overheat and short circuit protection. 【Advanced Filtration System】 - The stick vacuum designed with 5-stages filtration system. Also, it has a high quality HEPA filter. This type of air filter can theoretically remove at least 80% of du-st, pollen- and so on. 【Lightweight & Easy To Use】 - This cordless vacuum cleaner is designed with your comfort in mind. It's lightweight and easy to maneuver, with a long expandable neck that makes it perfect for reaching tight spaces. 【NOTE】: The suction power of this product is smaller than that of household class vacuum cleaners on the market and is designed to clean up fine dusts and hair as well as small food scraps, etc. Larger waste such as paper balls cannot be cleaned up.