About this item [3 colors and 3 brightness] The neck reading lamp has 3 color temperature modes: yellow (3000K), warm white (4000K), cool white ( 6000K), each color temperature has 3 brightness levels, our intensity brightness can be adjusted by pressing left and right button. 3 colors and 3 brightnesses, so our neck reading light has 9 lighting modes to choose from. Hands-free reading lightOur neck reading light is specially designed to free your hands. Weighing just 155g/5.4oz, this reading lamp can be hung around your neck without stress. This reading light frees your hands for work or maintenance, eliminating the need to hold the flashlight in your hands or mouth, helping you focus on what you're doing. Don't worry about the lack of light. 3 Switches and Indicators There are 2 independent switches on the left and right. The triangle button at the top is the main switch. Long press the switch to turn on/off, short press to adjust the color temperature. The light in the middle of the triangular button is white when on, red when charging, and off when fully charged or off. USB Rechargeable Reading LightRechargeable design, no need to waste money to buy batteries. Charging port, reversible, easier to insert than other USB, built-in 1000mAh battery, charging time 1.5H, working time 4-24H, can be used for a long time. FOLDABLE PORTABLE AND PORTABLEThe flexible and portable pocket reading light is covered with high quality soft rubber, it is extremely soft and comfortable to wear around your neck, you can bend it into any shape you need, so that you can precisely locate and focus on the desired location light. It can be bent at will without damage. You can fold it into a pocket or travel bag.