1.Touch switch ，Brightness adjustable，Ceramic LED dual filament，Test for 6 hours without heating 2.Connected devices:Power bank, mobile phone adapter, laptop, car charger, in car USB, mobile phone charging dock (please choose to support low current power bank, most have automatic power-off and sleep function when power is too low) 3.Operation method: Glass bottle bottom touch switch, click once (switch), long press (select brightness) 4.This product is made of ceramic tungsten wire that emits light. Power supply: 5VUSB interface, current: 8MA-16MA, tested for 6 hours without burning hands. 5.It belongs to electrical appliances. Please pay attention to waterproof safety when using. Any improper operation by humans is the responsibility of the user. The product cannot be used in contact with water, and the glass shell cannot be forcefully open
