【Brightnessé 【High Efficiency】: The powerful light has 9 lighting modes: emitting cool white light, white daylight (working) or warm white light (idle ) so the light is uniform and pleasing to the eyes. 【USB Rechargeable】: Desk lamp delivers thanks to; The red/green indicator design, you can see the charging status from the clip light! After 4 hours of USB charging, the built-in 1200 mAh lithium battery has a battery life of more than 1000 mAh. 12H-48H. The package contains a USB cable, it can support mobile power supplies, computers, 100-240V adapters, car chargers, etc. (Not including the adaptor) 【Non-slip and Rotatable】: Flexible flashlight; ince LED with any angular rotation and silicone bottom design, 4cm width, maximum pinch point, provide more stability. and flexibility to this bedside lamp. The swiveling gooseneck with 360° creates more usage occasions, as well as orchestra music stands, tables or bed sides, books, tablet keyboards, etc. 【Lé ;light and Portable】: Portable