Description:The combination of classical and modern industry is not only a lamp, but also an attitude for life.When you lift the ball at the bottom, it will be attracted by the ball above, so that the light will light up.Light weight and compact size, it is very easy and convenient for you to carry.The USB cable is compatible with all other adapters which can transfer 100-240V to 5V.Fashionable and beautiful design, it is a perfect gift for yourself and friends.Specification:Size:40*7*20cm.Color:white, black.Voltage/current:5V/1A.Charging port:USB.Switch control:magnetic bracing wire.Power:5W.Light color:warm yellow.Material:ABS.Built-in battery:No.Notes:There might be a bit color distortions due to different computer resolutions.Because of the manual measurement, there will be a bit of error here. Please understanding, thank you!Package include:1*heng balance lamp with USB cable.