Features:3 Color switching: Short press to switch the light color: white light, warm white light, and natural light. Long press stepless dimming.It can be used as the lowest brightness level of the night light without disturbing your bedmates. Medium and maximum brightness levels are suitable for reading or studyingBuilt-in 2000mAh rechargeable battery, USB interface design (no charger)---The lamp can be charged and powered by a USB cable, plug and play, laptop USB, mobile phone adapter, car USB, etc.360-degree rotating flexible design, adjustable torsion tube-the angle and height of the lamp head can be adjusted according to your needs. The super non-slip silicone pad and the lamp body make it sturdy and durable when standingThe lampshade has a unique design. Soft light is good for your eyes because it does not flicker or produce negative radiation.Product parameters:Rated voltage: DC5VBattery capacity: 2000 ma lithium battery (included)Charging time: about 5 hoursHigh-brightness lighting time: about 3HLow-brightness lighting time: about 24 hoursColor temperature: 3000-6000KColor: white, green, pinkThe package includes:1*desk lamp (including battery) 1*chargeable USB cable 1*product manual