Material: aluminum alloy, plastic. Flexible metal bellows can be rotated in all directions, bend freely, and adjust the angle without additional fixing tools, offering flexibility and convenience. Connector: USB 5V/1W. Compatible with laptops, power banks, and wall chargers. Portable and compact design allows easy carrying. The bendable body makes it suitable for various uses such as reading, writing, working, or as a night light. Lamp shield design helps protect eyes by preventing direct exposure to LED lighting. Touch switch design enables on/off control and dimming function by touching the sensor at the end of the stick. Equipped with 10 LED lamps that consume only 1 watt of power, providing efficient performance and a long lifespan of up to 35,000 hours. Instructions: 1. Brightness adjustment: Press and hold the switch without releasing. The brightness increases or decreases accordingly. 2. Turn on or off: Tap the switch lightly and release. Ensure fingers are dry and free from moisture or sweat during operation.