Feature:1. 3 Dimming Levels: This LED desk lamp supports 3 dimming levels that are suitable for different ages, eyesight and environments.2. Fan Design: This LED desk lamp has a small fan on the gooseneck, bringing you more comfortable environment for your study and work.3. 360° Gooseneck: This LED desk lamp features 360 degrees gooseneck and stable base, which ensures better reading experience.4. Soft Light: This LED desk lamp adopts soft, natural and energy saving LED light, which can effectively protect your eyes.5. Wide Application: This LED desk lamp with unique fan design is suitable for students reading , dormitory, bedroom, office and so on.How to Use:1. Control the light switch and fan switch through the touch button on the product2. USB chargingSpecification:Item Type: LED Desk LightMaterial: PCInput Voltage: DC 5VBattery: Inbuilt 18650 Lithium Battery, Capacity 1200mAh (Battery Included)Charging Method: USB ChargingBase Size: Approx. 13 x 12cm / 5.12 x 4.72in ( Manual Measurement, Slight Error May Exist )Gooseneck Length: Approx. 31cm / 12.20in ( Manual Measurement, Slight Error May Exist )Lamp Holder Diameter: Approx. 8.3cm / 3.27in ( Manual Measurement, Slight Error May Exist )Weight: Approx. 315g / 11.11oz Package List:1 xLED Desk Light(Battery Included) 1 x USB Cable