1.Material: aluminum alloy plastic. Flexible metal bellows can be rotated in all directions bend freely adjust the angle no additional fixing tools are needed flexible and convenient.^ 2.Connector: USB 5V/1W. Works great with your laptop power bank or wall charger.^ 3.Easy to carryFlexible bendable body this compact size is portable enough for you to use in various occasions such as reading writing working night light. Lamp shield design provide eye protection; This prevents direct LED lighting.^ 4.Touch switch designThe on / off mechanism is activated by touching a sensor at the end of the stick as well as the dimmer function to adjust the brightness accordingly. Exceptional longevity - The USB stick light has 10 LED lamps that pull only 1 watt power ensuring an efficient utilization of the 35000 hour durability no matter what.^ 5.How to use: 1. Brightness adjustment: Do not release the finger while holding the switch button. If the light is very bright it will be dimmed. Similarly if the light is very dark it will be brightened. 2. Turn on or off: Tap with your finger and then lift your finger. (Fingers should be kept dry do not have water or sweat).