Wowstick (XIAOMI ecological chain) is a brand of electric screwdrivers. The whole body consists of 132 parts, and it is wrapped in anodized aluminum. Wowstick is only 16mm in diameter and contains a lithium battery, electric motor, LED light, and screwdriver etc. Wowstick screwdrivers are widely used in repairing jobs, such as electronics, RC tools, Model, furniture, phones, notebook, tablet PC, cameras, glasses, DIY, and so on.