General description Reading Light is a USB rechargeable book light designed for comfortable reading without disturbing others. It features eye-care technology that provides natural and soft light, preventing eye strain and protecting against damage and radiation. Technical specifications Weight: 40g Charging time: 1 hour Usage 3 Adjustable Brightness Modes: Long press the touch sensor to adjust brightness from 10% to 100%. 3 Color Temperature Lighting Modes: Easily change lighting modes with the touch sensor button. Flexible Clip: Can be clipped onto books, iPads, notebooks, shelves, etc. Portable Design: Compact and lightweight for easy carrying while traveling, working, or camping. Other information USB charging eliminates the need for battery replacement and cable tangling. Indicator light changes from red to blue when fully charged.