Handheld vacuum cleaner adopts 2000mAh li-ion batteries, the latest generation of charging technology and self-developed intelligent power management technology, which allows it to fast charge batteries within 3-4 hours and have 30-min long-lasting running time. You'll no longer be plagued by cumbersome and twisted cord. 490g weight and ergonomic handstick design help you keep away from fatigue caused by cleaning. Cordless and accessible! This cordless vacuum dust cleaner is and easy to carry. It frees the machine and helps you to clean staircase, kitchen, floors,carpet,car and hard-to-reach places. Multiple protections provided by the intelligent power management technology better the equipment safety throughout the charging process.