1. 【3 Lighting Modes & Brightness Adjustment】This desk lamp has a touch switch that can freely switch 3 lighting modes: white light, warm light and warm white light. These 3 light colors are suitable for different occasions. 2. 【Pen Holder and Mobile Phone Design】The cordless desk lamp base is a large-capacity pen holder that can hold a variety of stationery items and has a mobile phone holder function that makes viewing easier. Videos and make it easier to take online lessons. 3. 【360°rotation angle】The LED desk lamp has a flexible 360°rotatable gooseneck design, with a flexible arm, lampshade and tube can be rotated, you can adjust the height and corresponding angle . Make the light distribution more even. 4. 【Environmentally Friendly 4000mAh Battery】The eye protection ring desk lamp has a 4000mAh rechargeable lithium battery, which can be fully charged and used for 4 hours -36 hours in just 6 hours. 5. 【Energy Saving and Eye-Care】Using modern LED technology, the desk lamp creates a